If `n in N ,` then find the value of `i^n+i^(n+1)+i^(n+2)+i^(n+3)dot`

Find the value of : (1+i)^n, n inN

Find the value of i^(n)+i^(n+1)+i^(n+2)+i^(n+3) for all n in N.

For any positive integer n, find the value of i^(n)+i^(n+1)+i^(n+2)+i^(n+3)+i^(n+4)+i^(n+5)+i^(n+6)+i^(n+7) .

Find the value of 2^n/((1+i)^(2n))+(1+i)^(2n)/(2^n)

The value of i^(2n)+i^(2n+1)+i^(2n+2)+i^(2n+3), where i=sqrt(-1), is

If i^(2)=-1 then the value of sum_(n=1)^(200)i^(n) is

Evaluate (i^(4n+1) - i^(4n-1)) .

If sum_(i=1)^(2n)sin^(-1)x_(i)=n pi then find the value of sum_(i=1)^(2n)x_(i)