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simplify-12-1-5-27-1-5-5-2-




Question Number 43702 by rajesh123456 last updated on 14/Sep/18
simplify   [((12^(1/5) )/(27^(1/5) ))]^(5/2)
$${simplify}\:\:\:\left[\frac{\mathrm{12}^{\mathrm{1}/\mathrm{5}} }{\mathrm{27}^{\mathrm{1}/\mathrm{5}} }\right]^{\mathrm{5}/\mathrm{2}} \\ $$
Answered by Joel578 last updated on 14/Sep/18
(((12^(1/5) )/(27^(1/5) )))^(5/2)  = ((√(12))/( (√(27)))) = ((2(√3))/(3(√3))) = (2/3)
$$\left(\frac{\mathrm{12}^{\mathrm{1}/\mathrm{5}} }{\mathrm{27}^{\mathrm{1}/\mathrm{5}} }\right)^{\mathrm{5}/\mathrm{2}} \:=\:\frac{\sqrt{\mathrm{12}}}{\:\sqrt{\mathrm{27}}}\:=\:\frac{\mathrm{2}\sqrt{\mathrm{3}}}{\mathrm{3}\sqrt{\mathrm{3}}}\:=\:\frac{\mathrm{2}}{\mathrm{3}} \\ $$

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