2.2.44 Problems 4301 to 4400

Table 2.105: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

4301

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

[_separable]

42.568

4302

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

[_separable]

2.606

4303

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

[_separable]

4.375

4304

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

[_separable]

7.694

4305

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

[_quadrature]

1.136

4306

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

[_separable]

10.421

4307

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

[_separable]

177.503

4308

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

[_separable]

152.164

4309

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

[_separable]

3.217

4310

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

[_separable]

7.981

4311

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

[_separable]

59.637

4312

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

[_separable]

4.066

4313

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

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

5.921

4314

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

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

259.918

4315

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

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

6.079

4316

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

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

6.403

4317

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

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

10.739

4318

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

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

8.009

4319

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

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

9.068

4320

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

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

6.879

4321

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

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

26.872

4322

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

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

9.540

4323

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

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

4.768

4324

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\left (x +1\right )^{2}+\left (4 y+1\right )^{2}+8 y x +1 \end {array} \]

[[_homogeneous, ‘class C‘], _Riccati]

19.849

4325

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 x^{2}+6 x y^{2}+\left (6 x^{2} y+4 y^{3}\right ) y^{\prime }&=0 \end {array} \]

[_exact, _rational]

2.352

4326

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

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

3.441

4327

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

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

3.538

4328

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 \left (x^{2}-1\right ) y+\left (x^{3}+8 y-3 x \right ) y^{\prime }&=0 \end {array} \]

[_exact, _rational, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘], [_Abel, ‘2nd type‘, ‘class A‘]]

3.457

4329

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

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

3.398

4330

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

[_exact]

26.139

4331

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

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

38.619

4332

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

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

135.585

4333

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

[‘y=_G(x,y’)‘]

18.981

4334

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

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

3.822

4335

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

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

22.978

4336

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

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

51.218

4337

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

[_rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], [_Abel, ‘2nd type‘, ‘class B‘]]

2.941

4338

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

[[_1st_order, _with_linear_symmetries], _rational]

3.189

4339

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

[_rational]

2.043

4340

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

[[_1st_order, _with_linear_symmetries], _rational]

5.072

4341

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

[_rational, _Bernoulli]

2.251

4342

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

[_rational]

49.333

4343

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

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

10.045

4344

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

[‘y=_G(x,y’)‘]

5.298

4345

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

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

1.863

4346

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

[[_homogeneous, ‘class G‘], _dAlembert]

10.334

4347

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

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

4.031

4348

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

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

16.498

4349

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

[[_homogeneous, ‘class D‘]]

7.475

4350

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

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

16.831

4351

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

[[_homogeneous, ‘class G‘]]

18.240

4352

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

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

8.526

4353

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

[_rational]

2.049

4354

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

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

4.746

4355

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

[[_1st_order, _with_linear_symmetries], [_Abel, ‘2nd type‘, ‘class A‘]]

3.691

4356

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

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

16.469

4357

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

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

5.609

4358

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

[_linear]

34.913

4359

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

[_quadrature]

6.362

4360

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

[_separable]

2.523

4361

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

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

2.412

4362

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

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

5.204

4363

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

[[_1st_order, _with_exponential_symmetries]]

2.918

4364

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

[[_1st_order, _with_linear_symmetries], _rational]

3.257

4365

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

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

2.088

4366

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

[_linear]

0.227

4367

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

[[_1st_order, _with_linear_symmetries]]

3.845

4368

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

[_linear]

0.629

4369

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

[_linear]

0.439

4370

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

[_linear]

0.369

4371

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

[_linear]

0.247

4372

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

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

5.505

4373

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

[_Riccati]

0.508

4374

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

[_Bernoulli]

0.978

4375

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

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

25.034

4376

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

[_rational, _Bernoulli]

0.638

4377

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

[[_1st_order, _with_linear_symmetries], _rational, _Bernoulli]

0.465

4378

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

[_Bernoulli]

0.674

4379

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

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

0.987

4380

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

[_Bernoulli]

0.967

4381

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

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

29.872

4382

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

6.535

4383

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

1.961

4384

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

[_quadrature]

1.168

4385

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

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

2.767

4386

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

[_quadrature]

1.763

4387

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

2.113

4388

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

[[_1st_order, _with_linear_symmetries]]

1.855

4389

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

[[_1st_order, _with_linear_symmetries]]

3.687

4390

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

[[_1st_order, _with_linear_symmetries]]

2.850

4391

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

[[_1st_order, _with_linear_symmetries]]

20.003

4392

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

[[_homogeneous, ‘class G‘]]

4.536

4393

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x +y&=4 \sqrt {y^{\prime }} \end {array} \]

[[_homogeneous, ‘class G‘], _dAlembert]

8.952

4394

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

7.082

4395

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

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

6.185

4396

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

[[_homogeneous, ‘class G‘]]

3.147

4397

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

[_separable]

4.862

4398

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

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

484.599

4399

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

[_exact, _Bernoulli]

14.481

4400

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

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

9.246