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If n is an odd integer then show that ...

If n is an odd integer then show that ` n ^(2) -1` is divisible by 8.

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The correct Answer is:
8
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Knowledge Check

  • 3^(2n)-8n-1 is divisible by

    A
    65
    B
    67
    C
    71
    D
    64

  • n^(2)-1 is divisible by 8 , if n is

    A
    an integer
    B
    a natural number
    C
    an odd number
    D
    an even number

  • If n is an odd integer then n ^(2) -1 is divisible by

    A
    `8`
    B
    `7`
    C
    `3`
    D
    `9`

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