\int 4^x 3^x \dx equals

CBSE Class 12 Math 2020 Delhi Set 2 Solved Paper

Question : 2 of 11

Marks: +1, -0

∫ 4^x 3^x \dx

equals

Solution:

Let,

I=∫ 4^x 3^x \dx

⇒ \;\; {\I}=∫ 12^x \dx

⇒ \;\; {\I}=\;{12^x}/{\log 12}+ {\C}

\; \;\; [ ∵ ∫ a^x \dx=\;{a^x}/{\log x}+ {\C}]

Go to Question:

Prev Question

Next Question