Question

If $\int\frac{dx}{a^2\sin x+b^2\cos^2x}=\frac{1}{12}\tan^{-1}(3\tan x)+c,$then the maximum value of a sinx + bcosx is____

• A. √10
• B. √20
• C. 2√10
• D. 2√5

Answer 1

Answer: (C)

2√10

Answer 2

The Correct answer is option is (C) : 2√10