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For any positive integer n. Prove …

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For any positive integer n. Prove that n3 -n is divisible by 6.

    • Posted by Rahul Yadav 5 years, 8 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Deepak Silaych 5 years, 8 months ago

    Let, n = 6q + r. Where r = 0 to 5. Put value of n in eq n3-1 Changig r from 1 to 5 separately.

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