Question

write the following in the form x+iy i⁴+i⁸+i¹²+i¹⁶. only complete solution​

Answer 1

We know that i² = -1

i⁴+i⁸+i¹²+i¹⁶

= (i²)² + (i²)⁴ + (i²)⁶ + (i²)⁸

= (-1)² + (-1)⁴ + (-1)⁶ + (-1)⁸

= 1 + 1 + 1 + 1

= 4

Therefore, your Answer is 4 + 0iy.