Saturday, July 28, 2007

Perfect square

Check this out

1*1=1

2*2=4

3*3=9

4*4*=16

5*5=25

6*6=36

The numbers 1, 4, 9, 16, 25, 36 etc are called perfect squares.


Again,
1*1*1=1

2*2*2=8

3*3*3=27

Similarly, the numbers 1, 8, 27 etc are called perfect cubes.

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