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n(n+1)(n+5)divisible by 3

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n(n+1)(n+5)divisible by 3

    • Posted by Vishal Thakur 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Nancy Rajput 7 years, 4 months ago

    hope you underatand it?

    0Thank You

    Nancy Rajput 7 years, 4 months ago

    =>suppose n=k than =>k(k+1)(k+5)=6m [multiple of 6] =>P(k+1)=( k+1) (k+2)( k+6)   =>k(k+1)(k+2)+6(k+1)(k+2)………split (k+6)   =>6n+6(….)…………………………………………….k(k+1)(k+2) product of 3 consecutive no’s  is   divisible by 6

    0Thank You

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