2.3.219 Problems 21801 to 21900

Table 2.1021: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

21801

4853

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

11.083

21802

5143

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

11.083

21803

4802

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

11.086

21804

21869

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

11.087

21805

16311

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

11.089

21806

16599

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

11.089

21807

4927

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

11.100

21808

7700

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 x^{2}+2 y x +4 y^{2}+\left (20 x^{2}+6 y x +y^{2}\right ) y^{\prime }&=0 \end {array} \]

11.108

21809

13711

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

11.109

21810

3457

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

11.111

21811

4921

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

11.113

21812

1557

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x^{2}+5 x y^{2}+\left (5 x^{2} y-2 y^{4}\right ) y^{\prime }&=0 \end {array} \]

11.114

21813

11559

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

11.129

21814

24968

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

11.133

21815

28067

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

11.134

21816

24350

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

11.137

21817

12269

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 x -2 y+3+\left (5 y-2 x +7\right ) y^{\prime }&=0\\ y \left (1\right )&=2\\ \end {array} \]

11.141

21818

9800

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

11.142

21819

25854

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

11.142

21820

24997

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

11.143

21821

17342

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime }-x^{2} y&=y x^{5} \end {array} \]

11.147

21822

26237

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

11.148

21823

17841

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

11.151

21824

23942

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

11.151

21825

4859

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

11.155

21826

23298

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

11.156

21827

1186

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

11.158

21828

16269

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

11.160

21829

12214

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

11.161

21830

11637

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

11.164

21831

21422

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

11.164

21832

6190

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

11.165

21833

5227

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

11.166

21834

8455

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2+3 x -5 y+7 y^{\prime }&=0 \end {array} \]

11.171

21835

14980

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 x +3 y+2+\left (5 x +4 y+1\right ) y^{\prime }&=0 \end {array} \]

11.173

21836

21333

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

11.173

21837

27512

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x -y-1+\left (3 x +2 y-5\right ) y^{\prime }&=0 \end {array} \]

11.176

21838

4959

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

11.182

21839

21347

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

11.189

21840

2857

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

11.190

21841

11431

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

11.191

21842

24158

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

11.191

21843

16694

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

11.195

21844

12677

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

11.198

21845

12266

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

11.203

21846

22547

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

11.206

21847

28012

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} R q^{\prime }+\frac {q}{c}&=E\\ q \left (0\right )&=0\\ \end {array} \]

11.208

21848

23895

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

11.209

21849

17209

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

11.214

21850

18581

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

11.214

21851

24257

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

11.214

21852

15364

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

11.216

21853

3637

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

11.219

21854

13712

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

11.219

21855

25000

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

11.219

21856

4814

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

11.221

21857

26356

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

11.221

21858

15158

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

11.226

21859

1831

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

11.229

21860

13485

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

11.232

21861

14898

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

11.235

21862

12068

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

11.240

21863

21511

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

11.241

21864

4920

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

11.244

21865

20823

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

11.244

21866

21390

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

11.244

21867

710

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

11.247

21868

13731

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

11.247

21869

15510

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

11.247

21870

11868

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

11.248

21871

13323

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

11.250

21872

18563

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

11.250

21873

16408

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

11.251

21874

11736

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-12 y^{\prime }+35 y&=0 \end {array} \]

11.263

21875

13759

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

11.263

21876

28059

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 9 y^{\prime \prime }-30 y^{\prime }+25 y&=0 \end {array} \]

11.263

21877

9629

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

11.264

21878

25817

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }-6 y^{\prime \prime \prime }+7 y^{\prime \prime }+6 y^{\prime }-8 y&=0 \end {array} \]

11.267

21879

15780

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

11.269

21880

4873

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }-4 y^{\prime \prime \prime }+5 y^{\prime \prime }-4 y^{\prime }+4 y&=0 \end {array} \]

11.277

21881

2983

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }-8 y^{\prime \prime \prime }+42 y^{\prime \prime }-104 y^{\prime }+169 y&=0 \end {array} \]

11.283

21882

12013

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-3 y^{\prime \prime }+3 y^{\prime }-y&=2 x^{2}-3 x -17 \end {array} \]

11.289

21883

12224

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-2 y^{\prime }-3 y+8 \,{\mathrm e}^{-x}+3 x&=0 \end {array} \]

11.290

21884

715

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

11.299

21885

13870

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime }&=6 x^{5} {\mathrm e}^{x} \end {array} \]

11.302

21886

6861

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

11.313

21887

25712

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

11.318

21888

14455

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-6 y^{\prime \prime }+9 y^{\prime }&=x^{3}+{\mathrm e}^{x} \end {array} \]

11.320

21889

13292

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

11.321

21890

13689

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

11.330

21891

1134

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+6 y^{\prime }+9 y&=2 \,{\mathrm e}^{-x} \sin \left (x \right ) \end {array} \]

11.332

21892

22372

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

11.337

21893

1283

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

11.339

21894

4824

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

11.344

21895

5702

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

11.348

21896

13729

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )-2 x \left (t \right )+\frac {d}{d t}y \left (t \right )-2 y \left (t \right )&=1\\ \frac {d}{d t}y \left (t \right )+\frac {d}{d t}z \left (t \right )+z \left (t \right )&=2\\ 3 x \left (t \right )+\frac {d}{d t}z \left (t \right )+z \left (t \right )&=3\\ \end {array} \]

11.348

21897

19705

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

11.348

21898

15522

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

11.349

21899

20120

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

11.352

21900

18067

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

Series expansion around \(x=0\).

11.357