1.

The sum up to n terms of the series 1/(sqrt(1) + sqrt(3)) + 1/(sqrt(3) + sqrt(5)) + 1/(sqrt(5) + sqrt(7)) +… is:

Answer»

`SQRT(2n+1)`
`sqrt(2n+1)/2`
`sqrt(2n+1) -1`
`(sqrt(2n+1) -1)/2`

ANSWER :D


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