Write the complex number i^17 in standard form?

1 Answer
May 22, 2015

With i, it's important to know how its exponents cycle:

i = i
i^2 = -1
i^3 = -i
i^4 = 1
i^5 = i
and so on.

Every 4 exponents, the cycle repeats. For every multiple of 4 (let's call it 'n'), i^n = 1.

i^17 = i^16 times i = 1 times i = i

So, i^17 is just i.