Question:medium

The general solution of the differential equation $y'' + 4y' + 4y = 0$ is:

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Repeated roots → $(C_1 + C_2 x)e^{mx}$.
Updated On: May 20, 2026
  • $C_1 e^{2x} + C_2 e^{-2x}$
  • $C_1 e^{-2x} + C_2 x e^{-2x}$
  • $e^{-2x}(C_1 \cos 2x + C_2 \sin 2x)$
  • $(C_1 + C_2 x)e^{-x}$
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The Correct Option is B

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