Chemical Engineering > GATE 2010 > Ordinary Differential Equations
The solution of the differential equation d2y/dt2+2dy/dt+2y=0 with the initial conditions y(0)=0, dy/dt|t=0=-1.
A
-e-tsin t
B
-e-t(1-cos t)
C
-(t+sin t)/2
D
-e-tsin t

Correct : d

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