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Math Help - Please Help

  1. #1
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    Please Help

    Please Help-question-3.pngPlease could someone help me, I have no idea what these questions are about :S
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  2. #2
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    Re: Please Help

    Hey calmo11.

    Hint: Try using n^2 - 3 = n^2 - 1 - 2 = (n-1)(n+1) - 2 and take it from there.
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  3. #3
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    Re: Please Help

    How do I take it from there?
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  4. #4
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    Re: Please Help

    Quote Originally Posted by calmo11 View Post
    How do I take it from there?
    Do you expect us to do a graded exercise for you?
    I hope that none of us is that academic dishonest. (Soroban may be?)
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  5. #5
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    Re: Please Help

    No this is the practice question from a unit I missed when I was on holiday, and I just really don't know what to do.
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  6. #6
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    Re: Please Help

    Hint: Think about when n is even and also when it is odd. Consider both cases separately.
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