How do you write (x^-2/y^-3)^-2(x−2y−3)−2using only positive exponents?
2 Answers
Oct 20, 2016
Explanation:
Use
So
Oct 20, 2016
There are several laws of indices.
The ones which I think will be the easiest to apply here are:
=
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OR: Recall: two other laws of indices
=
=