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Dividing Polynomials

I had the following question on my practice exam:

If xy = 1, what is the value of (2^(x+y)^2)/(2^(x-y)^2)
The answer is 16, but I have no clue how to work out this problem.

Thank you in advance!

by recentgradmsu

Wed Sep 17, 2014 7:24 am
Forum: Problem Solving
Topic: Dividing Polynomials
Replies: 3
Views: 1613