Find the free response and the forced response for d2dt2 8d

Find the free response and the forced response for d^2/dt^2 + 8dy/dt + 15 y = u(t) For initial conditions y(0) = 0.5 dy/dt]t = 0 = 0.8 Show all steps , let u(t) = e^-3t.

Solution

to do laplace transfer we find that

y(s)=(1/(s+3)^2*(s+5))+(s/(2*(s+3)*(s+5)))-4.8/((s+3)*(s+5))

to take inverse laplace of y(s)

we find the y(t)

 Find the free response and the forced response for d^2/dt^2 + 8dy/dt + 15 y = u(t) For initial conditions y(0) = 0.5 dy/dt]t = 0 = 0.8 Show all steps , let u(t

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