Question

evaluate [ i power 18 + 1/i power 25 ] power 3​

Answer 1

Step-by-step explanation:

i=√-1

i²= -1

i³= -i

i⁴= 1

i¹⁸= (i⁴)⁴×i² = 1×i² = -1

i²⁵= (i⁴)⁶×i= i

but 1/i= i⁴/i= i³ = -i

so -(i+1)³