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Assuming that $x, y, z$ are positive real numbers, simplify each of the following:$ \left(\frac{x^{-4}}{y^{-10}}\right)^{5 / 4} $
Given:
\( \left(\frac{x^{-4}}{y^{-10}}\right)^{5 / 4} \)
To do:
We have to simplify the given expression.
Solution:
We know that,
$(a^{m})^{n}=a^{m n}$
$a^{m} \times a^{n}=a^{m+n}$
$a^{m} \div a^{n}=a^{m-n}$
$a^{0}=1$
Therefore,
$(\frac{x^{-4}}{y^{-10}})^{5 / 4}=x^{-4\times\frac{5}{4}} \times y^{10\times\frac{5}{4}}$
$=x^{-5} \times y^{\frac{25}{2}}$
$=\frac{y^{\frac{25}{2}}}{x^{5}}$
Hence, $(\frac{x^{-4}}{y^{-10}})^{5 / 4}= \frac{y^{\frac{25}{2}}}{x^{5}}$.
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