SOLUTION: factor (a^(2n))-1

Question 169991: factor (a^(2n))-1
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression

Rewrite as

Rewrite as

Notice we have a difference of squares . In this case, and

So to factor this difference of squares, we can use the formula

So this means that

So factors to
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