Questão 2117955

\(X\left(t\right)=\) \(\left(\frac{1}{2}\right)\) \(e^t-\frac{1}{2}\binom{1}{3}\ e^{-t}\\)

\(X\left(t\right)=\) \(\frac{1}{2}\ \binom{1}{-1}\ e^t\ -\ \frac{3}{2}\binom{1}{3}\ e^{-t}\)

\(X\left(t\right)=\) \(\frac{1}{2}\binom{2}{-1}\ e^t\ -\frac{1}{2}\binom{-1}{3}\ e^{-t}\)

\(X\left(t\right)=\) \(\frac{7}{2}\binom{1}{1}\ e^t\ -\frac{3}{2}\ \binom{1}{3}\ e^{-t}\)