Final answer to the problem
$y=\frac{\sqrt{u-1}}{\sqrt{u+1}}$
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Step-by-step Solution
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1
The power of a quotient is equal to the quotient of the power of the numerator and denominator: $\displaystyle\left(\frac{a}{b}\right)^n=\frac{a^n}{b^n}$
$y=\frac{\sqrt{u-1}}{\sqrt{u+1}}$
Final answer to the problem
$y=\frac{\sqrt{u-1}}{\sqrt{u+1}}$