1.

If alpha, beta are natural numbers, then int_(0)^(pi//2)cos^(alpha)x cos beta x dx equals, provided alpha=beta

Answer»

`(PI)/(2^(ALPHA+1))`
`(pi)/(2^(alpha))`
`(pi)/(2^(alpha-1))`
NONE of these

Answer :A


Discussion

No Comment Found

Related InterviewSolutions