Question

Simply the following :
i^521​

Answer 1

Step-by-step explanation:

i^521=i^520*i

520/4=130 hence i^520=1

hence answer Willbe i

Answer 2

We know that:

$i^2 = -1$

So,

$i^{521} \\= i^{520}*i\\= {(i^2)}^{260}*i\\=(-1)^{260}*i\\=i$