Question

Calcule o valor de :
A) i20
B) i25
C) i34
D) i100
E) i19

Answer 1

A) i20 = (i²)¹° = (-1)¹° = 1

B) i25 = (i²)¹². i¹ = (-1)¹². i = 1. i= i

C) i34 = (i²)^17 = (-1)^17 = -1

D) i100 = (i²)^50 = (-1)^50 = 1

E) i19 = (1²)^9. i = (-1). i = -i