Question

How to prove some thing power zero =1​

Answer 1

To prove:

a⁰ = 1

Proof:

We can write a⁰ as:

a⁰ = a¹⁻¹

or, a⁰ = a¹ ₓ a⁻¹

or, a⁰ = a¹/a¹

Canceling out the common terms, we get:

a⁰ = 1

Hence proved.