Question

Calcular (1+i) elevado a 20

Answer 1

(1+i)² = 1 +2i +i² = 1+2i-1 = 2i
(1+i)⁴ = (2i)² = 4i² = 4(-1)= -4

(1+i)²° = ((1+i)⁴)^5 = (-4)^5 = -1024 ✓