Question
If y = e-x (A cos x + B sin x), then y is a solution of
Options :
d²y/dx² + 2(dy/dx) = 0
d²y/dx² – 2(dy/dx) + 2y = 0
d²y/dx2 + 2(dy/dx) + 2y = 0
d²y/dx² + 2y = 0
Answer :
d²y/dx2 + 2(dy/dx) + 2y = 0
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