Question: Practice Problem 1 5 . 4 Find the Laplace transform o f f ( t ) = t 2 c o s 3 t u

Practice Problem 15.4 Find the Laplace transform off(t)=t2cos3tu(t).
Answer: 2s(s2-27)(s2+9)3.
Practice Problem 1 5 . 4 Find the Laplace

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