Answer
false
Work Step by Step
The second shifting theorem states that $L {f(t) \cdot u (t-a) }= e^{-as} L { f(t+a) }$.
The correct form of the given statement is:
$u_2(t)=L^{-1} (\dfrac{1}{se^{2s}})$
Therefore, the given statement is $\bf{false}$.
