Asked by abhishek11 | 8th Jan, 2010, 05:27: PM
Any square number can be written as sum of odd numbers
Ex: 4=1+3, 9=1+3+5, 16= 1+3+5+7. ==> n2 = 1+3+5+.....+(2n-1) , 6 can not be written as sum of odd number s as shown previously. so, square root of 6 is not an rational number .
This is kind of indirect proof . Consider it for time being.
Answered by | 8th Jan, 2010, 06:08: PM
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