Question

(i² + i⁴ + i⁶ + + i⁸)² = ?
plz solve it by taking common i²​

Answer 1

Step-by-step explanation:

(i²+i⁴+i^6+i^8)²

={i²(1+i²+i^4+i^6)}²

={-1(1-1+1-1)}²

=(-1×0)²

=0