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How do i put (5x)-5/4 in radical form

2 Answers

5 votes

\bf a^{\frac{{ n}}{{ m}}} \implies \sqrt[{ m}]{a^( n)} \qquad \qquad \sqrt[{ m}]{a^( n)}\implies a^{\frac{{ n}}{{ m}}} \\\quad \\a^{-\frac{{ n}}{{ m}}} = \cfrac{1}{a^{\frac{{ n}}{{ m}}}} \implies \cfrac{1}{\sqrt[{ m}]{a^( n)}}\qquad\qquad \cfrac{1}{\sqrt[{ m}]{a^( n)}}= \cfrac{1}{a^{\frac{{ n}}{{ m}}}}\implies a^{-\frac{{ n}}{{ m}}} \\\\ -----------------------------\\\\


\bf thus \\\\ (5x)^{-(5)/(4)}\implies \cfrac{1}{(5x)^{(5)/(4)}}\implies \cfrac{1}{\sqrt[4]{(5x)^5}}\implies \cfrac{1}{\sqrt[4]{5^5x^5}} \\\\ \cfrac{1}{5x\sqrt[4]{5x}}
User Abacus
by
6.0k points
2 votes
assuming you mean
(5x)^ (-5)/(4)

remember

x^(-m)= (1)/(x^m) and

x^ (m)/(n)= \sqrt[n]{x^m}

combining we get

x^ (-m)/(n)= (1)/(x^(m)/(n)) = \frac{1}{ \sqrt[n]{x^m} }
so


(5x)^ (-5)/(6)= (1)/((5x)^(5)/(4)) = \frac{1}{ \sqrt[4]{(5x)^5} } =\frac{1}{ 5x\sqrt[4]{5x} }


User Sherin Jose
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5.8k points