2.16.70 Problems 6901 to 7000

Table 2.156: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

6901

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

1.352

6902

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

second order series method. Ordinary point, second order series method. Taylor series method

[_Gegenbauer]

2.733

6903

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.287

6904

\[ {}y^{\prime \prime \prime }+x^{2} y^{\prime \prime }+5 x y^{\prime }+3 y = 0 \]

unknown

[[_3rd_order, _exact, _linear, _homogeneous]]

N/A

0.094

6905

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _linear, _nonhomogeneous]]

0.608

6906

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.465

6907

\[ {}y^{\prime \prime }+3 x y^{\prime }+7 y = 0 \]

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.521

6908

\[ {}2 y^{\prime \prime }+9 x y^{\prime }-36 y = 0 \]

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.346

6909

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

0.402

6910

\[ {}\left (x^{2}+4\right ) y^{\prime \prime }+3 x y^{\prime }-8 y = 0 \]

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.399

6911

\[ {}\left (9 x^{2}+1\right ) y^{\prime \prime }-18 y = 0 \]

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.351

6912

\[ {}\left (3 x^{2}+1\right ) y^{\prime \prime }+13 x y^{\prime }+7 y = 0 \]

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.476

6913

\[ {}\left (2 x^{2}+1\right ) y^{\prime \prime }+11 x y^{\prime }+9 y = 0 \]

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.76

6914

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.688

6915

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.365

6916

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.389

6917

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

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _exact, _linear, _homogeneous]]

1.081

6918

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

0.935

6919

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

1.307

6920

\[ {}4 x y^{\prime \prime }+3 y^{\prime }+3 y = 0 \]

second order series method. Regular singular point. Difference not integer

[[_Emden, _Fowler]]

1.696

6921

\[ {}2 x^{2} \left (1-x \right ) y^{\prime \prime }-x \left (1+7 x \right ) y^{\prime }+y = 0 \]

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

1.773

6922

\[ {}2 x y^{\prime \prime }+5 \left (1-2 x \right ) y^{\prime }-5 y = 0 \]

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

2.206

6923

\[ {}8 x^{2} y^{\prime \prime }+10 x y^{\prime }-y \left (1+x \right ) = 0 \]

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

1.876

6924

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.6

6925

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

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

1.988

6926

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

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _exact, _linear, _homogeneous]]

1.647

6927

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

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

2.082

6928

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

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

1.714

6929

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

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

2.099

6930

\[ {}2 x y^{\prime \prime }+\left (2 x +1\right ) y^{\prime }-5 y = 0 \]

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

2.172

6931

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

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

2.211

6932

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

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

2.094

6933

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

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

1.619

6934

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

second order series method. Regular singular point. Difference not integer

[[_Emden, _Fowler]]

1.11

6935

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

second order series method. Regular singular point. Difference not integer

[[_Emden, _Fowler], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

1.115

6936

\[ {}9 x^{2} y^{\prime \prime }+2 y = 0 \]

second order series method. Regular singular point. Difference not integer

[[_Emden, _Fowler]]

1.049

6937

\[ {}2 x^{2} y^{\prime \prime }+5 x y^{\prime }-2 y = 0 \]

second order series method. Regular singular point. Difference not integer

[[_Emden, _Fowler], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

1.116

6938

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

kovacic, second_order_euler_ode, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2, second_order_ode_non_constant_coeff_transformation_on_B

[[_Emden, _Fowler]]

1.52

6939

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

kovacic, second_order_euler_ode, second_order_change_of_variable_on_x_method_1, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2

[[_Emden, _Fowler], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

1.355

6940

\[ {}9 x^{2} y^{\prime \prime }+2 y = 0 \]

kovacic, second_order_euler_ode

[[_Emden, _Fowler]]

0.414

6941

\[ {}2 x^{2} y^{\prime \prime }+5 x y^{\prime }-2 y = 0 \]

kovacic, second_order_euler_ode, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2

[[_Emden, _Fowler], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

1.201

6942

\[ {}x^{2} y^{\prime \prime }+2 x y^{\prime }-12 y = 0 \]

kovacic, second_order_euler_ode, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2

[[_Emden, _Fowler]]

1.175

6943

\[ {}x^{2} y^{\prime \prime }+x y^{\prime }-9 y = 0 \]

kovacic, second_order_euler_ode, second_order_change_of_variable_on_x_method_1, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2

[[_Emden, _Fowler], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

1.277

6944

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

kovacic, second_order_euler_ode, second_order_change_of_variable_on_x_method_1, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2

[[_Emden, _Fowler], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

1.403

6945

\[ {}x^{2} y^{\prime \prime }-5 x y^{\prime }+9 y = 0 \]

kovacic, second_order_euler_ode, second_order_change_of_variable_on_x_method_1, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2

[[_Emden, _Fowler]]

1.388

6946

\[ {}x^{2} y^{\prime \prime }+5 x y^{\prime }+5 y = 0 \]

kovacic, second_order_euler_ode, second_order_change_of_variable_on_x_method_1, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2

[[_Emden, _Fowler]]

1.615

6947

\[ {}x^{3} y^{\prime \prime \prime }+4 x^{2} y^{\prime \prime }-8 x y^{\prime }+8 y = 0 \]

higher_order_ODE_non_constant_coefficients_of_type_Euler

[[_3rd_order, _with_linear_symmetries]]

0.546

6948

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.404

6949

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.422

6950

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.481

6951

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.345

6952

\[ {}x \left (1+x \right ) y^{\prime \prime }+\left (1+5 x \right ) y^{\prime }+3 y = 0 \]

second order series method. Regular singular point. Repeated root

[[_2nd_order, _exact, _linear, _homogeneous]]

1.598

6953

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.675

6954

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.529

6955

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.563

6956

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.665

6957

\[ {}4 \left (x -4\right )^{2} y^{\prime \prime }+\left (x -4\right ) \left (x -8\right ) y^{\prime }+x y = 0 \]

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

2.117

6958

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

second_order_bessel_ode

[[_2nd_order, _with_linear_symmetries]]

0.581

6959

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.156

6960

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.358

6961

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.818

6962

\[ {}4 x^{2} y^{\prime \prime }+8 x \left (1+x \right ) y^{\prime }+y = 0 \]

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.729

6963

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.703

6964

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _exact, _linear, _homogeneous]]

1.408

6965

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

1.983

6966

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.066

6967

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

1.859

6968

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

second order series method. Regular singular point. Difference is integer

[_Laguerre]

1.937

6969

\[ {}x \left (1+x \right ) y^{\prime \prime }+\left (x +5\right ) y^{\prime }-4 y = 0 \]

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.132

6970

\[ {}x \left (1+x \right ) y^{\prime \prime }+\left (x +5\right ) y^{\prime }-4 y = 0 \]

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.178

6971

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

1.834

6972

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _exact, _linear, _homogeneous]]

1.644

6973

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _exact, _linear, _homogeneous]]

2.109

6974

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _exact, _linear, _homogeneous]]

1.885

6975

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.036

6976

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

1.912

6977

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

1.949

6978

\[ {}x \left (1-2 x \right ) y^{\prime \prime }-2 \left (2+x \right ) y^{\prime }+8 y = 0 \]

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.108

6979

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

1.567

6980

\[ {}x^{2} \left (4 x -1\right ) y^{\prime \prime }+x \left (1+5 x \right ) y^{\prime }+3 y = 0 \]

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.217

6981

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

second order series method. Regular singular point. Difference is integer

[[_Emden, _Fowler]]

2.102

6982

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.342

6983

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

second order series method. Regular singular point. Difference is integer

[[_Emden, _Fowler]]

2.357

6984

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.632

6985

\[ {}x^{2} y^{\prime \prime }-x \left (6+x \right ) y^{\prime }+10 y = 0 \]

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.472

6986

\[ {}x y^{\prime \prime }+\left (2 x +3\right ) y^{\prime }+8 y = 0 \]

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.535

6987

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

second order series method. Regular singular point. Difference is integer

[_Jacobi]

2.27

6988

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

second order series method. Regular singular point. Difference is integer

[_Jacobi]

2.376

6989

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

second_order_bessel_ode

[_Bessel]

0.661

6990

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

second order series method. Regular singular point. Difference is integer

[_Bessel]

2.136

6991

\[ {}x^{2} y^{\prime \prime }-5 x y^{\prime }+\left (8+5 x \right ) y = 0 \]

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.368

6992

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

second order series method. Regular singular point. Difference is integer

[_Laguerre]

2.562

6993

\[ {}9 x^{2} y^{\prime \prime }-15 x y^{\prime }+7 y \left (1+x \right ) = 0 \]

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.523

6994

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.598

6995

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

2.152

6996

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

second order series method. Regular singular point. Difference not integer

[_Jacobi]

2.543

6997

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.639

6998

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.129

6999

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.507

7000

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

2.171