1.

Period of tan(x+4x+9x+…+ n^(2)x) is

Answer»

`(2PI)/(N(n+1)(2n+1))`
`(4PI)/(n(n+1)(2n+1))`
`(6PI)/(n(n+1)(2n+1))`
`(8pi)/(n(n+1)(2n+1))`

ANSWER :C


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