Question

Evaluate: $\int 2^{x}dx$

Answer 1

$$\begin{gathered} \int 2^{x}dx \\ =\frac{2^x}{\ln 2}+C\mathit{}\mathit{}\mathit{}\mathit{}\mathit{}\mathit{}\mathit{}\mathit{}\mathit{}\mathit{}\mathit{}\left(\mathit{\because }\int a^x\mathit{}dx\mathit{=}\frac{a^x}{\ln a}+C\right) \end{gathered}$$