1.

If Z= (1+ xi)^(n) be a complex number such that its real and imaginary parts are equal where x in R, n in I^(+) then positive values of x are

Answer»

`x= tan ((PI)/(4n))`
`x = tan ((pi)/(2N))`
`x = tan ((5PI)/(4n))`
`x = tan ((3PI)/(2n))`

Answer :A::C


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