Test Academy | The differential equation for y = A cos αx + B sin αx where A and B are arbitary constants is d²y/dx² – α²y = 0, d²y/dx² + α²y = 0, d²y/dx² + αy = 0, d²y/dx²

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The differential equation for y = A cos αx + B sin αx where A and B are arbitary constants is

Options :

d²y/dx² – α²y = 0
d²y/dx² + α²y = 0
d²y/dx² + αy = 0
d²y/dx² – αy = 0

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