Question

if a^m a^n =a^mn , then (n-2) +n(m-2) is equal. to
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Answer 1

Answer:

0

Step-by-step explanation:

We know that,

a

m

.a

n

=a

m+n

That is,

mn=m+n.

Now,

m(n−2)+n(m−2)=mn−2m+nm−2n

=2mn−2(m+n)=2(m+n)−2(m+n)=0

∴ The required answer is 0.