Q$6-$

A$.$ Determine the Laplace transform and ROC of the following signals:

$x(t)=u([t,3])$

$x(t)=e^{4t}u(-t+3)$

$x(t)=e^{-t}(t-2)u(t-2)$

$x(t)=2tu(t)+5e^{-3(t-2)}u(t-2)$

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