Integral Calculus Question 428
Question: To evaluate $ \int_{{}}^{{}}{\frac{{{\sec }^{2}}x}{(1+\tan x)(2+\tan x)}\ dx} $ , the most suitable substitution is
Options:
A) $ 1+\tan x=t $
B) $ 2+\tan x=t $
C) $ \tan x=t $
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
The most suitable substitution is $ \tan x=t. $
BETA
