Agricultural Engineering > GATE 2019 > Differential Equations
General solution to the differential equation y″ + 4y' + 5y = 0 is
A
e²ˣ (a cosx + b sin x)
B
e⁻²ˣ (a cos x + b sin x)
C
eˣ (a cos 2x + b sin 2x)
D
e⁻ˣ (a cos 2x + b sin 2x)

Correct : b

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