Question
Question: If \(\int _ { - a } ^ { a } \sqrt { \frac { a - x } { a + x } } d x = k \pi\) then \(k =\)...
If ∫−aaa+xa−xdx=kπ then k=
A
−a
B
−2a
C
2a
D
a
Answer
a
Explanation
Solution
Since ∫−aaa+xa−xdx=aπ
So comparing it with the given value, we get k=a