Square numbers
Square numbers
When a natural number is multiplied by itself number obtained as the answer is a square numbers.
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1 x 1 =1 2 x 2 = 4 3 x 3 = 9 4 x 4 = 16 5 x 5 = 25
1st => 1 x 1 = 1 = 12 2nd => 2 x 2 = 4 = 22
3rd =>3 x 3 = 9 = 32
4th => 4 x 4 = 16 = 42
5th => 5 x 5 = 25 = 52
n => n x n = = n2
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