CBSE Class 10 Answered
sir i am actually confused that how can i solve this question the way in my textbook or in my way sir please look at this question i had also written its answer is it correct or not question isShow that a number of the form n3 - n is always divisible by 6, where n is any positive integer as follows
solution
let n be 6q .......1
n3-n=n{n to the power 2 - 1}
now, 6q{6q to the power 2 -1} ...........using 1
6r where r is q{6q to the power 2 -1}
thank you sir
Asked by Monika Singh | 23 May, 2014, 12:45: PM
Expert Answer
Answered by Vimala Ramamurthy | 27 May, 2014, 09:28: AM
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