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Cube root

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by Tani » Fri Nov 04, 2011 9:59 am
cubing both sides you get x-b = c^18 so x = c^18 + b

Answer is e
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by neelgandham » Fri Nov 04, 2011 11:05 am
Cubic Root(x-b) = c^6 then X= ?

x-b = c^18
x = b+c^18

IMO E
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by vaibhavgupta » Sat Nov 05, 2011 3:52 am
gmatblood wrote:Cubic Root(x-b) = c^6 then X=

1/ c^2 +b
2/ c^6 +b
3/ c^9 +b
4/ c^12+b
5/ c^18+b
Cubing both sides we get, x-b= c^18
X=C^18+b

[spoiler]Hence E it is![/spoiler]
If OA is A, IMO B
If OA is B, IMO C
If OA is C, IMO D
If OA is D, IMO E
If OA is E, IMO A

FML!! :/
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