Question

i^30+i^40+i^50+i^60 evaluate the following​

Answer 1

Answer:

18

Explanation:

I^30+I^40+I^50+I^60

=TAKE COMMON

I^10(3+4+5+6)

=18

Answer 2

Answer:

0

Explanation:

i³⁰ + i⁴⁰ + i⁵⁰ + i⁶⁰

= i⁽⁴*⁷ ⁺ ²⁾ +  i⁽⁴*¹⁰ ⁺ ⁰⁾ + i⁽⁴*¹² ⁺ ²⁾ + i⁽⁴*¹⁵ ⁺ ⁰⁾

= i² + i⁰ + i² + i ⁰

= -1 + 1 + (-1) + 1

= -1 + 1 - 1 + 1

= 0

Thanks !