Question

y = aeᵐˣ + be⁻ᵐˣ satisfies which of the following differential equation?

Options :

  1. dy/dx + my = 0

  2. dy/dx - my = 0

  3. d²y/dx² - m²y = 0

  4. d²y/dx² +m²y = 0

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Answer :

d²y/dx² - m²y = 0

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