A) \[-a\]
B) \[-2a\]
C) \[2a\]
D) \[a\]
Correct Answer: D
Solution :
Since \[\int_{-a}^{a}{\sqrt{\frac{a-x}{a+x}}dx=a\pi }\] So comparing it with the given value, we get \[k=a\].You need to login to perform this action.
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