Question

Which of the following is equivalent to the complex number i^80

Answer 1

The equivalent to the complex number i^80 is 1

How to determine the equivalent?

The complex number is given as:

i^80

In complex numbers:

i^4 = 1

So, we have:

i^80 = (i^4)^20

Substitute i^4 = 1

i^80 = (1)^20

Evaluate

i^80 = 1

Hence, the equivalent to the complex number i^80 is 1

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