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2015-02-02T21:21:25+05:30

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The number is -1 

we see ( - 1)³ = - 1

whereas  ( - 1)² = 1
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2015-02-04T20:37:34+05:30
The answer is (-1)
(-1)*(-1)=1,not equal to square
(-1)*(-1)*(-1)=(-1),which is equal to its cube
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