\int 4^x 3^x \dx equals

CBSE Class 12 Math 2020 Delhi Set 2 Solved Paper

© examsnet.com

Question : 2 of 11

Marks: +1, -0

∫4x3x‌dx equals

‌
12x
log‌12
+C
‌
4x
log‌4
+C
(‌
4x⋅3x
log‌4⋅log‌3
)+C
‌
3x
log‌3
+C

Solution:

Let,
I=∫4x3x‌dx
⇒‌‌I=∫12x‌dx
⇒‌‌I=‌

12x

log‌12

+C
‌‌‌[∵∫ax‌dx=‌

ax

log‌x

+C]

© examsnet.com

Go to Question:

Prev Question

Next Question