Dado o número complexo
z = 1 + i, a forma polar de z
3 é:
A) z
3 = (√2)
3
[cos (
3π
4
) + i sen (
3π
4
)]
B) z
3 = 2√2 [cos (
π
2
) + i sen (
π
2
)]
C) z
3 = 3√2 [cos (
3π
4
) + i sen (
3π
4
)]
D) z
3 = √2 [cos (
π
4
) + i sen (
π
4
)]
E) z
3 = √3 [cos (
π
4
) + i sen (
π
4
)]