∫ √(1+cos 2x)dx = ?, x ∈[0,π/2], A.√2 B.3/2 C.√3 D. 2

Question

Mark against the correct answer in the following:

\(\int\limits_0^{\pi/2}\sqrt{1+cos\,2x}\,dx =?\)

 ∫ √(1+cos 2x)dx = ?, x ∈[0,π/2]

A.\(\sqrt{2}\) 

B.\(\cfrac{3}{2}\) 

C.\(\sqrt{3}\) 

D. 2

Answer 1

Correct answer is : A.\(\sqrt{2}\)