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zackb Group TitleBest ResponseYou've already chosen the best response.0
\[\sqrt[12]{125x ^{3}}\]
 2 years ago

zzr0ck3r Group TitleBest ResponseYou've already chosen the best response.1
= (125*x^3)^(1/12)  (5^3*x^3)^(1/12) = 5^(3/12)*x(^(3/12) = 5^(1/4)*x^(1/4) = (5x)^(1/4) = \[\sqrt[4]{5x}\]
 2 years ago

Calcmathlete Group TitleBest ResponseYou've already chosen the best response.0
Remember how you can rewrite it as a rational exponent. \[\sqrt[12]{125x^3} \implies \sqrt[12]{(5x)^3} \implies (5x)^{\frac{3}{12}} \implies (5x)^{\frac14} \implies \sqrt[4]{5x}\]See how it works? I just used this rule below: \[\sqrt[n]{y^x} \implies y^{\frac xn}\]
 2 years ago
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