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## Homework Statement

Prove that a^0 = 1 if a is not equal to 0.

## Homework Equations

## The Attempt at a Solution

Well,since a is not equal to 0, I replace it with another number.

(1^0)^0 = 1

(6^0)^0 = 1

ETC

Is this enough to prove that a^0 = 1 if a is not equal to 0.Even thought its a basic and easy question...im doubting.

Thx