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Math Help - Var[n-deferred whole life annuity-due]

  1. #1
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    Var[n-deferred whole life annuity-due]

    Hi,

    Can anyone help on proving the variance of an n-deferred whole life annuity due?

    all i have is http://img132.imageshack.us/i/89300735.jpg/
    http://img820.imageshack.us/i/54284633.jpg/

    if i expand the middle bit, i only get the last bit of the final answer :S
    also i tried writing it as insurance terms... still no luck

    and the final answer should be http://img860.imageshack.us/i/28521984.jpg/
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  2. #2
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  3. #3
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    Not every user on this forum will have seen actuarial notation before. You may get more help in future if you define your terms.

    What exactly do you mean when you said you expanded the middle bit, and what did you get?
    Last edited by SpringFan25; March 26th 2011 at 01:43 PM.
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