Tính $\Large I=\int 3^{x}dx$ $\Large I=\dfrac{3^{x}}{\ln 3}+C$ $\Large

Tính $\Large I=\int 3^{x}dx$

• A. $\Large I=\dfrac{3^{x}}{\ln 3}+C$
• B. $\Large I=3^{x}\ln 3+C$
• C. $\Large I=3^{x}+C$
• D. $\Large 3^{x}+\ln 3+C$

Vì $\Large I=\int 3^{x}dx=\dfrac{3^{x}}{\ln 3}+C$