Question

Prove that a^0=1

Answer 1

Many people ask this and I can prove it

Answer 2

Look: a^0=(a^1)/(a^1) isn't it? a^1-1=a^0 yes
so any number divided by it's self is 1 a^1=a^1 so a^1/a^1=1
Conclusion is that a^0=1

Answer 3

Wait did you just answer yourself's question?

Answer 4

By the way there's a prerequisite that a not equal 0