1.

The series 1 + 1/2 + 1/3 +…..+ 1/n can be expressed by the definite integral

Answer»

`int_(0) ^((pi)/(2)) tan ((theta)/(2)) (1- COS ^(n) theta) d theta`
`int_(0) ^((pi)/(2)) COT ((theta)/(2)) (1- cos ^(n) theta) d theta`
`int_(0) ^((pi)/(4)) cot ((theta)/(2)) (1+cos ^(n) theta) d theta`
`int_(0) ^((pi)/(4)) tan ((theta)/(2)) (1+cos ^(n) theta) d theta`

Answer :C


Discussion

No Comment Found

Related InterviewSolutions