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Please provide step by step solution.
1. L((t2-1)u(t-3))
2. Use Laplace transforms to solve the initial value problem.
y'' + y = f(t), y(0) = 0 , y'(0) = -1, where
{2, 0 < t ≤ 2
f(t) =
{0, t> 2
Engineering Mathematics, Engineering
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