2.2.70 Problems 6901 to 7000

Table 2.157: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

6901

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {y \cos \left (\frac {y}{x}\right )}{x}-\left (\frac {x \sin \left (\frac {y}{x}\right )}{y}+\cos \left (\frac {y}{x}\right )\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class A‘], _dAlembert]

50.207

6902

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y+x \ln \left (\frac {y}{x}\right ) y^{\prime }-2 y^{\prime } x&=0 \end {array} \]

[[_homogeneous, ‘class A‘], _dAlembert]

109.092

6903

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 \,{\mathrm e}^{\frac {x}{y}} y+\left (y-2 x \,{\mathrm e}^{\frac {x}{y}}\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class A‘], _dAlembert]

38.503

6904

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{\frac {y}{x}} x -y \sin \left (\frac {y}{x}\right )+x \sin \left (\frac {y}{x}\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class A‘], _dAlembert]

2329.042

6905

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2}+y^{2}&=2 y y^{\prime } x\\ y \left (-1\right )&=0\\ \end {array} \]

[[_homogeneous, ‘class A‘], _rational, _Bernoulli]

99.387

6906

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{\frac {y}{x}} x +y&=y^{\prime } x\\ y \left (1\right )&=0\\ \end {array} \]

[[_homogeneous, ‘class A‘], _dAlembert]

921.575

6907

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-\frac {y}{x}+\csc \left (\frac {y}{x}\right )&=0\\ y \left (1\right )&=0\\ \end {array} \]

[[_homogeneous, ‘class A‘], _dAlembert]

1655.545

6908

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y x -y^{2}-x^{2} y^{\prime }&=0\\ y \left (1\right )&=1\\ \end {array} \]

[[_homogeneous, ‘class A‘], _rational, _Bernoulli]

24.074

6909

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +2 y-4-\left (2 x -4 y\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

82.978

6910

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 x +2 y+1-\left (3 x +2 y-1\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

34.442

6911

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +y+1+\left (2 x +2 y+2\right ) y^{\prime }&=0 \end {array} \]

[_quadrature]

0.842

6912

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +y-1+\left (2 x +2 y-3\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

139.205

6913

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +y-1-\left (x -y-1\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

67.275

6914

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +y+\left (2 x +2 y-1\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

31.917

6915

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 7 y-3+\left (2 x +1\right ) y^{\prime }&=0 \end {array} \]

[_separable]

12.346

6916

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +2 y+\left (3 x +6 y+3\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

58.273

6917

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +2 y+\left (-1+y\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

70.798

6918

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 x -2 y+4-\left (2 x +7 y-1\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class C‘], _exact, _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

69.467

6919

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +y+\left (3 x +3 y-4\right ) y^{\prime }&=0\\ y \left (1\right )&=0\\ \end {array} \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

66.651

6920

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 x +2 y+3-\left (x +2 y-1\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

388.277

6921

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y+7+\left (2 x +y+3\right ) y^{\prime }&=0\\ y \left (0\right )&=1\\ \end {array} \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

34.877

6922

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +y+2-\left (x -y-4\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

348.019

6923

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 x^{2} y+8 x y^{2}+\left (x^{3}+8 x^{2} y+12 y^{2}\right ) y^{\prime }&=0 \end {array} \]

[_exact, _rational]

64.745

6924

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {2 y x +1}{y}+\frac {\left (y-x \right ) y^{\prime }}{y^{2}}&=0 \end {array} \]

[[_homogeneous, ‘class D‘], _exact, _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

1.658

6925

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y x +\left (x^{2}+y^{2}\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class A‘], _exact, _rational, _dAlembert]

66.638

6926

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{x} \sin \left (y\right )+{\mathrm e}^{-y}-\left (x \,{\mathrm e}^{-y}-{\mathrm e}^{x} \cos \left (y\right )\right ) y^{\prime }&=0 \end {array} \]

[_exact]

1.360

6927

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \cos \left (y\right )-\left (x \sin \left (y\right )-y^{2}\right ) y^{\prime }&=0 \end {array} \]

[_exact, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

1.159

6928

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x -2 y x +{\mathrm e}^{y}+\left (x \,{\mathrm e}^{y}+y-x^{2}\right ) y^{\prime }&=0 \end {array} \]

[_exact]

6.864

6929

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2}-x +y^{2}-\left ({\mathrm e}^{y}-2 y x \right ) y^{\prime }&=0 \end {array} \]

[_exact]

8.059

6930

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x +\cos \left (x \right ) y+\left (2 y+\sin \left (x \right )-\sin \left (y\right )\right ) y^{\prime }&=0 \end {array} \]

[_exact]

0.970

6931

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x \sqrt {x^{2}+y^{2}}-\frac {x^{2} y y^{\prime }}{y-\sqrt {x^{2}+y^{2}}}&=0 \end {array} \]

[[_homogeneous, ‘class A‘], _exact, _dAlembert]

1.398

6932

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 x^{3}-\sin \left (x \right )+y^{3}-\left (y^{2}+1-3 x y^{2}\right ) y^{\prime }&=0 \end {array} \]

[_exact]

0.832

6933

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{x} \left (y^{3}+x y^{3}+1\right )+3 y^{2} \left (x \,{\mathrm e}^{x}-6\right ) y^{\prime }&=0\\ y \left (0\right )&=1\\ \end {array} \]

[_exact, _Bernoulli]

15.368

6934

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \cos \left (y\right ) \sin \left (x \right )+\cos \left (x \right ) \sin \left (y\right ) y^{\prime }&=0\\ y \left (\frac {\pi }{4}\right )&=\frac {\pi }{4}\\ \end {array} \]

[_separable]

292.485

6935

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} {\mathrm e}^{x y^{2}}+4 x^{3}+\left (2 x y \,{\mathrm e}^{x y^{2}}-3 y^{2}\right ) y^{\prime }&=0\\ y \left (1\right )&=0\\ \end {array} \]

[_exact]

48.406

6936

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2}+y-y^{\prime } x&=0 \end {array} \]

[_separable]

0.467

6937

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y \sec \left (x \right )+\sin \left (x \right ) y^{\prime }&=0 \end {array} \]

[_separable]

73.065

6938

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{x}-\sin \left (y\right )+y^{\prime } \cos \left (y\right )&=0 \end {array} \]

[‘y=_G(x,y’)‘]

1.004

6939

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}+1\right ) y^{\prime }+y x&=0 \end {array} \]

[_separable]

0.480

6940

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{3}+x y^{2}+y+\left (x^{3}+x^{2} y+x \right ) y^{\prime }&=0 \end {array} \]

[_rational, [_Abel, ‘2nd type‘, ‘class C‘]]

2.528

6941

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 y-y^{\prime } x&=0 \end {array} \]

[_separable]

0.411

6942

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-3 y^{\prime } x&=0 \end {array} \]

[_separable]

0.467

6943

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y \left (2 x^{2} y^{3}+3\right )+x \left (x^{2} y^{3}-1\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class G‘], _rational]

67.737

6944

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y x +x^{2}+\left (x^{2}+y^{2}\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class A‘], _exact, _rational, _dAlembert]

65.504

6945

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2}+\cos \left (x \right ) y+\left (y^{3}+\sin \left (x \right )\right ) y^{\prime }&=0 \end {array} \]

[_exact]

0.860

6946

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2}+y^{2}+x +y y^{\prime } x&=0 \end {array} \]

[_rational, _Bernoulli]

1.126

6947

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x -2 y x +{\mathrm e}^{y}+\left (x \,{\mathrm e}^{y}+y-x^{2}\right ) y^{\prime }&=0 \end {array} \]

[_exact]

1.326

6948

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{x} \sin \left (y\right )+{\mathrm e}^{-y}-\left (x \,{\mathrm e}^{-y}-{\mathrm e}^{x} \cos \left (y\right )\right ) y^{\prime }&=0 \end {array} \]

[_exact]

1.355

6949

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2}-y^{2}-y-\left (x^{2}-y^{2}-x \right ) y^{\prime }&=0 \end {array} \]

[[_1st_order, _with_linear_symmetries], _rational]

24.516

6950

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} x^{4}-y+\left (x^{2} y^{4}-x \right ) y^{\prime }&=0 \end {array} \]

[_rational]

1.042

6951

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y \left (2 x +y^{3}\right )-x \left (2 x -y^{3}\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class G‘], _rational]

0.859

6952

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \arctan \left (y x \right )+\frac {y x -2 x y^{2}}{1+y^{2} x^{2}}+\frac {\left (x^{2}-2 x^{2} y\right ) y^{\prime }}{1+y^{2} x^{2}}&=0 \end {array} \]

[_exact]

3.628

6953

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{x} \left (x +1\right )+\left ({\mathrm e}^{y} y-x \,{\mathrm e}^{x}\right ) y^{\prime }&=0 \end {array} \]

[‘y=_G(x,y’)‘]

1.108

6954

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {y x +1}{y}+\frac {\left (-x +2 y\right ) y^{\prime }}{y^{2}}&=0 \end {array} \]

[[_homogeneous, ‘class D‘], _exact, _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

2.521

6955

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2}-3 y x -2 x^{2}+\left (y x -x^{2}\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class A‘], _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

2.639

6956

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (2 x +y+1\right ) y-x \left (x +2 y-1\right ) y^{\prime }&=0 \end {array} \]

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

332.702

6957

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y \left (2 x -y-1\right )+x \left (2 y-x -1\right ) y^{\prime }&=0 \end {array} \]

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

280.596

6958

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2}+12 x^{2} y+\left (2 y x +4 x^{3}\right ) y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class G‘], _exact, _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

2.569

6959

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x \left (2 x +3 y\right ) y^{\prime }+3 \left (x +y\right )^{2}&=0 \end {array} \]

[[_homogeneous, ‘class A‘], _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

3.081

6960

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-\left (x^{2}+y^{2}+x \right ) y^{\prime }&=0 \end {array} \]

[_rational]

6.406

6961

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y x +\left (a +x^{2}+y^{2}\right ) y^{\prime }&=0 \end {array} \]

[_exact, _rational, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

53.741

6962

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y x +x^{2}+b +\left (a +x^{2}+y^{2}\right ) y^{\prime }&=0 \end {array} \]

[_exact, _rational]

0.579

6963

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x +y&=x^{3} \end {array} \]

[_linear]

10.886

6964

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }+a y&=b \end {array} \]

[_quadrature]

2.901

6965

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x +y&=y^{2} \ln \left (x \right ) \end {array} \]

[_Bernoulli]

45.751

6966

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }+2 x y&={\mathrm e}^{-y^{2}} \end {array} \]

[_linear]

17.454

6967

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} r^{\prime }&=\left (r+{\mathrm e}^{-\theta }\right ) \tan \left (\theta \right ) \end {array} \]

[_linear]

6.735

6968

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-\frac {2 x y}{x^{2}+1}&=1 \end {array} \]

[_linear]

5.816

6969

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }+y&=x y^{3} \end {array} \]

[_Bernoulli]

3.611

6970

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (-x^{3}+1\right ) y^{\prime }-2 \left (x +1\right ) y&=y^{{5}/{2}} \end {array} \]

[_rational, _Bernoulli]

5.436

6971

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \tan \left (\theta \right ) r^{\prime }-r&=\tan \left (\theta \right )^{2} \end {array} \]

[_linear]

395.832

6972

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y+y^{\prime }&=3 \,{\mathrm e}^{-2 x} \end {array} \]

[[_linear, ‘class A‘]]

16.170

6973

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y+y^{\prime }&=\frac {3 \,{\mathrm e}^{-2 x}}{4} \end {array} \]

[[_linear, ‘class A‘]]

4.655

6974

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y+y^{\prime }&=\sin \left (x \right ) \end {array} \]

[[_linear, ‘class A‘]]

17.023

6975

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }+\cos \left (x \right ) y&={\mathrm e}^{2 x} \end {array} \]

[_linear]

6.016

6976

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }+\cos \left (x \right ) y&=\frac {\sin \left (2 x \right )}{2} \end {array} \]

[_linear]

7.361

6977

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x +y&=x \sin \left (x \right ) \end {array} \]

[_linear]

6.145

6978

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+y^{\prime } x&=x^{2} \sin \left (x \right ) \end {array} \]

[_linear]

21.930

6979

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x +x y^{2}-y&=0 \end {array} \]

[[_homogeneous, ‘class D‘], _rational, _Bernoulli]

39.711

6980

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x -y \left (2 y \ln \left (x \right )-1\right )&=0 \end {array} \]

[_Bernoulli]

32.524

6981

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} \left (-1+x \right ) y^{\prime }-y^{2}-x \left (x -2\right ) y&=0 \end {array} \]

[[_homogeneous, ‘class D‘], _rational, _Bernoulli]

41.740

6982

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-y&={\mathrm e}^{x}\\ y \left (0\right )&=1\\ \end {array} \]

[[_linear, ‘class A‘]]

4.580

6983

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }+\frac {y}{x}&=\frac {y^{2}}{x}\\ y \left (-1\right )&=1\\ \end {array} \]

[_separable]

106.240

6984

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 \cos \left (x \right ) y^{\prime }&=\sin \left (x \right ) y-y^{3}\\ y \left (0\right )&=1\\ \end {array} \]

[_Bernoulli]

24.424

6985

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x -\cos \left (y\right )\right ) y^{\prime }+\tan \left (y\right )&=0\\ y \left (1\right )&=\frac {\pi }{6}\\ \end {array} \]

[[_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

39.088

6986

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=x^{3}+\frac {2 y}{x}-\frac {y^{2}}{x} \end {array} \]

[_rational, _Riccati]

6.750

6987

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=2 \sec \left (x \right ) \tan \left (x \right )-\sin \left (x \right ) y^{2} \end {array} \]

[_Riccati]

1.811

6988

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\frac {1}{x^{2}}-\frac {y}{x}-y^{2} \end {array} \]

[[_homogeneous, ‘class G‘], _rational, _Riccati]

26.058

6989

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=1+\frac {y}{x}-\frac {y^{2}}{x^{2}} \end {array} \]

[[_homogeneous, ‘class A‘], _rational, _Riccati]

43.717

6990

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y y^{\prime } x +\left (x +1\right ) y^{2}&={\mathrm e}^{x} \end {array} \]

[_Bernoulli]

18.352

6991

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } \cos \left (y\right )+\sin \left (y\right )&=x^{2} \end {array} \]

[‘y=_G(x,y’)‘]

15.677

6992

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x +1\right ) y^{\prime }-1-y&=\left (x +1\right ) \sqrt {1+y} \end {array} \]

[[_1st_order, _with_linear_symmetries]]

28.809

6993

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{y} \left (1+y^{\prime }\right )&={\mathrm e}^{x} \end {array} \]

[[_homogeneous, ‘class C‘], _dAlembert]

268.141

6994

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } \sin \left (y\right )+\cos \left (y\right ) \sin \left (x \right )&=\sin \left (x \right ) \end {array} \]

[_separable]

44.673

6995

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x -y\right )^{2} y^{\prime }&=4 \end {array} \]

[[_homogeneous, ‘class C‘], _dAlembert]

8.301

6996

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+y^{\prime } x&=\sqrt {x^{2}+y^{2}} \end {array} \]

[[_homogeneous, ‘class A‘], _rational, _dAlembert]

46.284

6997

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (3 x +2 y+1\right ) y^{\prime }+4 x +3 y+2&=0 \end {array} \]

[[_homogeneous, ‘class C‘], _exact, _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

55.454

6998

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}-y^{2}\right ) y^{\prime }&=2 y x \end {array} \]

[[_homogeneous, ‘class A‘], _rational, _dAlembert]

111.600

6999

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y+\left (1+y^{2} {\mathrm e}^{2 x}\right ) y^{\prime }&=0 \end {array} \]

[[_1st_order, _with_linear_symmetries]]

5.503

7000

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y+y^{2}+x^{3} y^{\prime }&=0 \end {array} \]

[[_homogeneous, ‘class G‘], _rational, _Bernoulli]

38.489