You can put this solution on YOUR website!
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There are a couple of ways that you can do this problem. Remember that the definition of
cubing an expression. It means multiplying by itself 3 times as in:
. . The numerator
multiplies out to and the denominator to
Combining these results gives:
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The short hand method says that when you raise a fraction to a power, both the numerator
and denominator get raised to that power. So:
.
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Hope this helps you to understand this problem.