Question

h
13. The value of i6+i7+i8+ i9+ i10 =?
А. 1
В. 0
C.-1
D.i​

Answer 1

Step-by-step explanation:

i^6 ( 1 + i + i² + i³ + i⁴)

(i²)³ ( 1 + i + (-1) + i²*i + i²×i² )

(-1)³ ( 1 + i - 1 - i + 1 )

-1 ( 1 ) = -1