2.2.96 Problems 9501 to 9600

Table 2.193: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

9501

\[ {}\left (-x +y\right ) \sqrt {x^{2}+1}\, y^{\prime }-a \sqrt {\left (1+y^{2}\right )^{3}} = 0 \]

[‘x=_G(y,y’)‘]

111.296

9502

\[ {}y y^{\prime } \sin \left (x \right )^{2}+y^{2} \cos \left (x \right ) \sin \left (x \right )-1 = 0 \]

[_exact, _Bernoulli]

7.700

9503

\[ {}f \left (x \right ) y y^{\prime }+g \left (x \right ) y^{2}+h \left (x \right ) = 0 \]

[_Bernoulli]

2.249

9504

\[ {}\left (g_{1} \left (x \right ) y+g_{0} \left (x \right )\right ) y^{\prime }-f_{1} \left (x \right ) y-f_{2} \left (x \right ) y^{2}-f_{3} \left (x \right ) y^{3}-f_{0} \left (x \right ) = 0 \]

[[_Abel, ‘2nd type‘, ‘class C‘]]

69.694

9505

\[ {}\left (y^{2}-x \right ) y^{\prime }-y+x^{2} = 0 \]

[_exact, _rational]

1.119

9506

\[ {}\left (x^{2}+y^{2}\right ) y^{\prime }+2 x \left (y+2 x \right ) = 0 \]

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

4.020

9507

\[ {}\left (x^{2}+y^{2}\right ) y^{\prime }-y^{2} = 0 \]

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

4.748

9508

\[ {}\left (y^{2}+x^{2}+a \right ) y^{\prime }+2 y x = 0 \]

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

1.003

9509

\[ {}\left (y^{2}+x^{2}+a \right ) y^{\prime }+2 y x +x^{2}+b = 0 \]

[_exact, _rational]

1.202

9510

\[ {}\left (y^{2}+x^{2}+x \right ) y^{\prime }-y = 0 \]

[_rational]

1.069

9511

\[ {}\left (y^{2}-x^{2}\right ) y^{\prime }+2 y x = 0 \]

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

4.052

9512

\[ {}\left (y^{2}+x^{4}\right ) y^{\prime }-4 x^{3} y = 0 \]

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

2.118

9513

\[ {}\left (y^{2}+4 \sin \left (x \right )\right ) y^{\prime }-\cos \left (x \right ) = 0 \]

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

1.923

9514

\[ {}\left (y^{2}+2 y+x \right ) y^{\prime }+\left (x +y\right )^{2} y^{2}+y \left (1+y\right ) = 0 \]

[_rational]

1.455

9515

\[ {}\left (x +y\right )^{2} y^{\prime }-a^{2} = 0 \]

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

3.343

9516

\[ {}\left (y^{2}+2 y x -x^{2}\right ) y^{\prime }-y^{2}+2 y x +x^{2} = 0 \]

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

5.484

9517

\[ {}\left (y+3 x -1\right )^{2} y^{\prime }-\left (2 y-1\right ) \left (4 y+6 x -3\right ) = 0 \]

[[_homogeneous, ‘class C‘], _rational]

3.070

9518

\[ {}3 \left (y^{2}-x^{2}\right ) y^{\prime }+2 y^{3}-6 x \left (x +1\right ) y-3 \,{\mathrm e}^{x} = 0 \]

[‘y=_G(x,y’)‘]

1.933

9519

\[ {}\left (x^{2}+4 y^{2}\right ) y^{\prime }-y x = 0 \]

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

2.843

9520

\[ {}\left (4 y^{2}+2 y x +3 x^{2}\right ) y^{\prime }+y^{2}+6 y x +2 x^{2} = 0 \]

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

7.422

9521

\[ {}\left (2 y-3 x +1\right )^{2} y^{\prime }-\left (3 y-2 x -4\right )^{2} = 0 \]

[[_homogeneous, ‘class C‘], _rational]

36.695

9522

\[ {}\left (2 y-4 x +1\right )^{2} y^{\prime }-\left (y-2 x \right )^{2} = 0 \]

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

1.947

9523

\[ {}\left (6 y^{2}-3 x^{2} y+1\right ) y^{\prime }-3 x y^{2}+x = 0 \]

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

1.353

9524

\[ {}\left (6 y-x \right )^{2} y^{\prime }-6 y^{2}+2 y x +a = 0 \]

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

1.369

9525

\[ {}\left (a y^{2}+2 b x y+c \,x^{2}\right ) y^{\prime }+b y^{2}+2 c x y+d \,x^{2} = 0 \]

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

407.925

9526

\[ {}\left (b \left (\beta y+\alpha x \right )^{2}-\beta \left (a x +b y\right )\right ) y^{\prime }+a \left (\beta y+\alpha x \right )^{2}-\alpha \left (a x +b y\right ) = 0 \]

[[_1st_order, _with_linear_symmetries], _rational]

1.854

9527

\[ {}\left (a y+b x +c \right )^{2} y^{\prime }+\left (\alpha y+\beta x +\gamma \right )^{2} = 0 \]

[[_homogeneous, ‘class C‘], _rational]

3.399

9528

\[ {}x \left (y^{2}-3 x \right ) y^{\prime }+2 y^{3}-5 y x = 0 \]

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

6.835

9529

\[ {}x \left (y^{2}+x^{2}-a \right ) y^{\prime }-y \left (y^{2}+x^{2}+a \right ) = 0 \]

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

4.457

9530

\[ {}x \left (y^{2}+y x -x^{2}\right ) y^{\prime }-y^{3}+x y^{2}+x^{2} y = 0 \]

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

87.167

9531

\[ {}x \left (y^{2}+x^{2} y+x^{2}\right ) y^{\prime }-2 y^{3}-2 x^{2} y^{2}+x^{4} = 0 \]

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

3.106

9532

\[ {}2 x \left (y^{2}+5 x^{2}\right ) y^{\prime }+y^{3}-x^{2} y = 0 \]

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

24.011

9533

\[ {}3 x y^{2} y^{\prime }+y^{3}-2 x = 0 \]

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

2.273

9534

\[ {}\left (3 x y^{2}-x^{2}\right ) y^{\prime }+y^{3}-2 y x = 0 \]

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

2.033

9535

\[ {}6 x y^{2} y^{\prime }+2 y^{3}+x = 0 \]

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

2.335

9536

\[ {}\left (6 x y^{2}+x^{2}\right ) y^{\prime }-y \left (3 y^{2}-x \right ) = 0 \]

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

1.892

9537

\[ {}\left (x^{2} y^{2}+x \right ) y^{\prime }+y = 0 \]

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

3.760

9538

\[ {}\left (y x -1\right )^{2} x y^{\prime }+\left (x^{2} y^{2}+1\right ) y = 0 \]

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

1.866

9539

\[ {}\left (10 x^{3} y^{2}+x^{2} y+2 x \right ) y^{\prime }+5 x^{2} y^{3}+x y^{2} = 0 \]

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

2.837

9540

\[ {}\left (y^{3}-3 x \right ) y^{\prime }-3 y+x^{2} = 0 \]

[_exact, _rational]

1.224

9541

\[ {}\left (y^{3}-x^{3}\right ) y^{\prime }-x^{2} y = 0 \]

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

11.070

9542

\[ {}\left (y^{2}+x^{2}+a \right ) y y^{\prime }+\left (y^{2}+x^{2}-a \right ) x = 0 \]

[_exact, _rational]

1.699

9543

\[ {}2 y^{3} y^{\prime }+x y^{2} = 0 \]

[_separable]

2.517

9544

\[ {}\left (y+2 y^{3}\right ) y^{\prime }-2 x^{3}-x = 0 \]

[_separable]

1.967

9545

\[ {}\left (2 y^{3}+5 x^{2} y\right ) y^{\prime }+5 x y^{2}+x^{3} = 0 \]

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

107.217

9546

\[ {}\left (20 y^{3}-3 x y^{2}+6 x^{2} y+3 x^{3}\right ) y^{\prime }-y^{3}+6 x y^{2}+9 x^{2} y+4 x^{3} = 0 \]

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

113.608

9547

\[ {}\left (\frac {y^{2}}{b}+\frac {x^{2}}{a}\right ) \left (y y^{\prime }+x \right )+\frac {\left (a -b \right ) \left (y y^{\prime }-x \right )}{a +b} = 0 \]

[_rational]

2.083

9548

\[ {}\left (2 a y^{3}+3 a x y^{2}-b \,x^{3}+c \,x^{2}\right ) y^{\prime }-a y^{3}+c y^{2}+3 b \,x^{2} y+2 b \,x^{3} = 0 \]

[_rational]

1.785

9549

\[ {}x y^{3} y^{\prime }+y^{4}-x \sin \left (x \right ) = 0 \]

[_Bernoulli]

64.213

9550

\[ {}\left (2 x y^{3}-x^{4}\right ) y^{\prime }-y^{4}+2 x^{3} y = 0 \]

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

6.349

9551

\[ {}\left (2 x y^{3}+y\right ) y^{\prime }+2 y^{2} = 0 \]

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

1.057

9552

\[ {}\left (2 x y^{3}+y x +x^{2}\right ) y^{\prime }+y^{2}-y x = 0 \]

[_rational]

1.621

9553

\[ {}\left (3 x y^{3}-4 y x +y\right ) y^{\prime }+y^{2} \left (y^{2}-2\right ) = 0 \]

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

1.672

9554

\[ {}\left (7 x y^{3}+y-5 x \right ) y^{\prime }+y^{4}-5 y = 0 \]

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

2.108

9555

\[ {}\left (x^{2} y^{3}+y x \right ) y^{\prime }-1 = 0 \]

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

0.853

9556

\[ {}\left (2 x^{2} y^{3}+x^{2} y^{2}-2 x \right ) y^{\prime }-2 y-1 = 0 \]

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

2.787

9557

\[ {}\left (10 x^{2} y^{3}-3 y^{2}-2\right ) y^{\prime }+5 x y^{4}+x = 0 \]

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

1.593

9558

\[ {}\left (a x y^{3}+c \right ) x y^{\prime }+\left (b \,x^{3} y+c \right ) y = 0 \]

[_rational]

1.764

9559

\[ {}\left (2 x^{3} y^{3}-x \right ) y^{\prime }+2 x^{3} y^{3}-y = 0 \]

[_rational]

1.461

9560

\[ {}y \left (y^{3}-2 x^{3}\right ) y^{\prime }+\left (2 y^{3}-x^{3}\right ) x = 0 \]

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

83.081

9561

\[ {}y \left (\left (b x +a y\right )^{3}+b \,x^{3}\right ) y^{\prime }+x \left (\left (b x +a y\right )^{3}+a y^{3}\right ) = 0 \]

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

51.913

9562

\[ {}\left (x y^{4}+2 x^{2} y^{3}+2 y+x \right ) y^{\prime }+y^{5}+y = 0 \]

[_rational]

1.326

9563

\[ {}a \,x^{2} y^{n} y^{\prime }-2 y^{\prime } x +y = 0 \]

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

1.484

9564

\[ {}y^{m} x^{n} \left (a x y^{\prime }+b y\right )+\alpha x y^{\prime }+\beta y = 0 \]

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

2.562

9565

\[ {}\left (f \left (x +y\right )+1\right ) y^{\prime }+f \left (x +y\right ) = 0 \]

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

2.165

9566

\[ {}\frac {y^{\prime } f_{\nu }\left (x \right ) \left (-y+y^{p +1}\right )}{-1+y}-\frac {g_{\nu }\left (x \right ) \left (-y+y^{q +1}\right )}{-1+y} = 0 \]

[_separable]

3.552

9567

\[ {}\left (\sqrt {y x}-1\right ) x y^{\prime }-\left (\sqrt {y x}+1\right ) y = 0 \]

[[_homogeneous, ‘class G‘]]

4.831

9568

\[ {}\left (2 x^{{5}/{2}} y^{{3}/{2}}+x^{2} y-x \right ) y^{\prime }-x^{{3}/{2}} y^{{5}/{2}}+x y^{2}-y = 0 \]

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

86.414

9569

\[ {}\left (\sqrt {x +y}+1\right ) y^{\prime }+1 = 0 \]

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

1.689

9570

\[ {}\sqrt {-1+y^{2}}\, y^{\prime }-\sqrt {x^{2}-1} = 0 \]

[_separable]

1.993

9571

\[ {}\left (\sqrt {1+y^{2}}+a x \right ) y^{\prime }+\sqrt {x^{2}+1}+a y = 0 \]

[_exact]

66.130

9572

\[ {}\left (\sqrt {x^{2}+y^{2}}+x \right ) y^{\prime }-y = 0 \]

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

5.333

9573

\[ {}\left (y \sqrt {x^{2}+y^{2}}+\left (y^{2}-x^{2}\right ) \sin \left (\alpha \right )-2 x y \cos \left (\alpha \right )\right ) y^{\prime }+x \sqrt {x^{2}+y^{2}}+2 x y \sin \left (\alpha \right )+\left (y^{2}-x^{2}\right ) \cos \left (\alpha \right ) = 0 \]

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

151.706

9574

\[ {}\left (x \sqrt {1+x^{2}+y^{2}}-y \left (x^{2}+y^{2}\right )\right ) y^{\prime }-y \sqrt {1+x^{2}+y^{2}}-x \left (x^{2}+y^{2}\right ) = 0 \]

[[_1st_order, _with_linear_symmetries]]

2.657

9575

\[ {}\left (\frac {\operatorname {e1} \left (x +a \right )}{\left (\left (x +a \right )^{2}+y^{2}\right )^{{3}/{2}}}+\frac {\operatorname {e2} \left (x -a \right )}{\left (\left (x -a \right )^{2}+y^{2}\right )^{{3}/{2}}}\right ) y^{\prime }-y \left (\frac {\operatorname {e1}}{\left (\left (x +a \right )^{2}+y^{2}\right )^{{3}/{2}}}+\frac {\operatorname {e2}}{\left (\left (x -a \right )^{2}+y^{2}\right )^{{3}/{2}}}\right ) = 0 \]

unknown

219.128

9576

\[ {}\left (x \,{\mathrm e}^{y}+{\mathrm e}^{x}\right ) y^{\prime }+{\mathrm e}^{y}+y \,{\mathrm e}^{x} = 0 \]

[_exact]

1.448

9577

\[ {}x \left (3 \,{\mathrm e}^{y x}+2 \,{\mathrm e}^{-y x}\right ) \left (y^{\prime } x +y\right )+1 = 0 \]

[[_homogeneous, ‘class G‘]]

322.371

9578

\[ {}\left (\ln \left (y\right )+x \right ) y^{\prime }-1 = 0 \]

[[_1st_order, _with_exponential_symmetries]]

1.221

9579

\[ {}\left (\ln \left (y\right )+2 x -1\right ) y^{\prime }-2 y = 0 \]

[[_1st_order, _with_linear_symmetries]]

1.248

9580

\[ {}x \left (2 x^{2} y \ln \left (y\right )+1\right ) y^{\prime }-2 y = 0 \]

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

1.448

9581

\[ {}x \left (y \ln \left (y x \right )+y-a x \right ) y^{\prime }-y \left (a x \ln \left (y x \right )-y+a x \right ) = 0 \]

[‘y=_G(x,y’)‘]

1.776

9582

\[ {}y^{\prime } \left (1+\sin \left (x \right )\right ) \sin \left (y\right )+\cos \left (x \right ) \left (\cos \left (y\right )-1\right ) = 0 \]

[_separable]

5.404

9583

\[ {}\left (x \cos \left (y\right )+\sin \left (x \right )\right ) y^{\prime }+\cos \left (x \right ) y+\sin \left (y\right ) = 0 \]

[_exact]

15.088

9584

\[ {}x y^{\prime } \cot \left (\frac {y}{x}\right )+2 x \sin \left (\frac {y}{x}\right )-y \cot \left (\frac {y}{x}\right ) = 0 \]

[[_homogeneous, ‘class A‘]]

3.744

9585

\[ {}y^{\prime } \cos \left (y\right )-\cos \left (x \right ) \sin \left (y\right )^{2}-\sin \left (y\right ) = 0 \]

[‘y=_G(x,y’)‘]

75.680

9586

\[ {}y^{\prime } \cos \left (y\right )+x \sin \left (y\right ) \cos \left (y\right )^{2}-\sin \left (y\right )^{3} = 0 \]

[‘y=_G(x,y’)‘]

77.460

9587

\[ {}y^{\prime } \left (\cos \left (y\right )-\sin \left (\alpha \right ) \sin \left (x \right )\right ) \cos \left (y\right )+\left (\cos \left (x \right )-\sin \left (\alpha \right ) \sin \left (y\right )\right ) \cos \left (x \right ) = 0 \]

unknown

84.091

9588

\[ {}x y^{\prime } \cos \left (y\right )+\sin \left (y\right ) = 0 \]

[_separable]

3.579

9589

\[ {}\left (x \sin \left (y\right )-1\right ) y^{\prime }+\cos \left (y\right ) = 0 \]

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

4.551

9590

\[ {}\left (x \cos \left (y\right )+\cos \left (x \right )\right ) y^{\prime }-\sin \left (x \right ) y+\sin \left (y\right ) = 0 \]

[_exact]

55.100

9591

\[ {}\left (x^{2} \cos \left (y\right )+2 \sin \left (x \right ) y\right ) y^{\prime }+2 x \sin \left (y\right )+y^{2} \cos \left (x \right ) = 0 \]

[_exact]

87.941

9592

\[ {}x y^{\prime } \ln \left (x \right ) \sin \left (y\right )+\cos \left (y\right ) \left (1-x \cos \left (y\right )\right ) = 0 \]

[‘y=_G(x,y’)‘]

73.218

9593

\[ {}y^{\prime } \sin \left (y\right ) \cos \left (x \right )+\cos \left (y\right ) \sin \left (x \right ) = 0 \]

[_separable]

2.788

9594

\[ {}3 y^{\prime } \sin \left (x \right ) \sin \left (y\right )+5 \cos \left (x \right )^{4} y = 0 \]

[_separable]

5.790

9595

\[ {}y^{\prime } \cos \left (a y\right )-b \left (1-c \cos \left (a y\right )\right ) \sqrt {\cos \left (a y\right )^{2}-1+c \cos \left (a y\right )} = 0 \]

[_quadrature]

3.661

9596

\[ {}\left (x \sin \left (y x \right )+\cos \left (x +y\right )-\sin \left (y\right )\right ) y^{\prime }+y \sin \left (y x \right )+\cos \left (x +y\right )+\cos \left (x \right ) = 0 \]

[_exact]

73.656

9597

\[ {}\left (x^{2} y \sin \left (y x \right )-4 x \right ) y^{\prime }+x y^{2} \sin \left (y x \right )-y = 0 \]

[[_homogeneous, ‘class G‘]]

80.956

9598

\[ {}\left (-y+y^{\prime } x \right ) \cos \left (\frac {y}{x}\right )^{2}+x = 0 \]

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

6.299

9599

\[ {}\left (y \sin \left (\frac {y}{x}\right )-x \cos \left (\frac {y}{x}\right )\right ) x y^{\prime }-\left (x \cos \left (\frac {y}{x}\right )+y \sin \left (\frac {y}{x}\right )\right ) y = 0 \]

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

6.438

9600

\[ {}\left (y f \left (x^{2}+y^{2}\right )-x \right ) y^{\prime }+y+x f \left (x^{2}+y^{2}\right ) = 0 \]

[[_1st_order, _with_linear_symmetries]]

2.451