A positive integer is such that cube of it is equal to the difference of 10 and that integer. The in

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14 Jun 2011 Fine the number

A positive integer is such that cube of it is equal to the difference of 10 and that integer. The integer will be

OPtion

1) 9
2) 8
3) 7
4) 6
5) 5
6) 4
7) 3
8) 2
9) 1
10) none of these

Solution

by checking method you can solve it easily

x^3 = 10 - x
Only 2 satisfies the above equation

Correct Option: 8 Best Solution (1)