4.25.16 \(y(x) \left (\sum _{n=0}^m a(n) x^n\right )+y''(x)=0\)

ODE
\[ y(x) \left (\sum _{n=0}^m a(n) x^n\right )+y''(x)=0 \] ODE Classification

[[_2nd_order, _with_linear_symmetries]]

Book solution method
TO DO

Mathematica
cpu = 35.8803 (sec), leaf count = 0 , could not solve

DSolve[Sum[x^n*a[n], {n, 0, m}]*y[x] + Derivative[2][y][x] == 0, y[x], x]

Maple
cpu = 6.795 (sec), leaf count = 0 , result contains DESol or ODESolStruc

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Mathematica raw input

DSolve[Sum[x^n*a[n], {n, 0, m}]*y[x] + y''[x] == 0,y[x],x]

Mathematica raw output

DSolve[Sum[x^n*a[n], {n, 0, m}]*y[x] + Derivative[2][y][x] == 0, y[x], x]

Maple raw input

dsolve(diff(diff(y(x),x),x)+sum(a(n)*x^n,n = 0 .. m)*y(x) = 0, y(x))

Maple raw output

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