Answer
See below
Work Step by Step
Given: $f(t)=e^{2t}\\
g(t)=1$
Obtain: $L[f * g]=L[f]L[g]\\
=L[e^{2t}]L[1]\\
=\frac{1}{s-2}.\frac{1}{s}\\
=\frac{1}{s^2-2s}$
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