Question

this question is from lesson - complex numbers and please answer it guys ​

Answer 1

Step-by-step explanation:

1+i²+i⁴+(i²)³+(i⁴)²+(i⁴)².i²+(i⁴)².i⁴+(i⁴)².(i²)³+(i⁴)⁴+(i⁴)⁴.i²+(i⁴)^5

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

=1