Question

Simplify i41

i

–1

–i

1

Answer 1

i^40 = ( i^4) ^ 10 = 1
so i^41 = 1 * i = i

Answer 2

note i^4 = 1

Answer 3

the answer is i

Answer 4

remember that i^2 = -1 , i^4 = 1, i^3 = -1 * i = -1