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IF x and y are positive is x^3>y? 1) squareroot of x >

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Senior Manager
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IF x and y are positive is x^3>y? 1) squareroot of x > [#permalink] New post 21 Aug 2006, 22:26
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E

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IF x and y are positive is x^3>y?

1) squareroot of x > y
2) x>y

Arrived at the answer by plugging numbers. Im looking for a mathematical solution though. Thanks
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Schools: Completed at SAID BUSINESS SCHOOL, OXFORD - Class of 2008
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 [#permalink] New post 21 Aug 2006, 23:53
Don't know any mathematical solution. I also plugged in numbers and found the answer as E.
For both statements
x = 1/4 y = 1/5 x^3 is less than y
x = 9, y = 2 x^3 is greater than y
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SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008

Senior Manager
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 [#permalink] New post 22 Aug 2006, 01:50
Thanks PS_dahiya :)
  [#permalink] 22 Aug 2006, 01:50
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IF x and y are positive is x^3>y? 1) squareroot of x >

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