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If x^ (1/6) = 6, then √ (x^6) =

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by sanju09 » Tue Sep 14, 2010 5:37 am
If x^ (1/6) = 6, then √ (x^6) =
(A) 6
(B) 6 √6
(C) 6^6
(D) 6^18
(E) 6^36



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by selango » Tue Sep 14, 2010 5:47 am
x^(1/6)=6

x=6^6 or x^6=6^36

sqrt(x^6)=sqrt(6^36)=6^18

Pick D
--Anand--
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by Nikos » Sun Apr 29, 2012 12:30 am
x^(1/6)=6 <=> x=6^6 (1)
√ (x^6)=x^6/2=x^3 (2)
(1)(2)=>6^6*3=6^18
So answear is D.
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