Integrate : $\int \large\frac{2^x+3^x}{6^x}$$dx$

Question

$$\begin {array} {1 1} (a)\;\frac{-(1/3)^x}{\log 3}+\frac{(1/2)^x}{\log 2}+c \\ (b)\;\frac{(1/3)^x}{\log 3}+\frac{(1/2)^x}{\log 2}+c \\ (c)\;\frac{-(1/3)^x}{\log 3}-\frac{(1/2)^x}{\log 2}+c \\ (d)\;None \end {array}$$