Exercice 1 : Simplifier l'expression :
\(A = \dfrac{e^{2x+1}}{e^{x-3}}e^{-5x+2} \)
\(B = \dfrac{(e^{x} \cdot e^{2})^{3}}{e^{2x}e^{-3}} \)
\( C = \ln(e^{3x+2}) - \ln(e^{x-1}) + \ln(e^{2x-1}) \)
\( D = e^{2\ln(3x)} \)
\( E = \dfrac{e^{2x+1}}{e^{2x} \cdot e^{x}} \)