DSolve gives wrong solution – mathematica.stackexchange.com

eq = x^2 f''[x] + x f'[x] - 4 f[x] == 0; bc = f[∞] == 0; (* boundary condition *) sol = DSolve[ {eq, bc}, f[x], x] (* *) The correct solution is f[x]=c/x^2. Why does DSolve give a ...

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