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Math Help - Limit of functions involving e and ln

  1. #1
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    Limit of functions involving e and ln

    lim ((x-1)/(x+1))^x as x tends to infinity?

    lim (lnx)ln(1-x) as x tends to 1 from the right?

    I am stuck on both of these, any ideas?
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  3. #3
    TS1
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    thanks,
    how do i know when i can introduce t and change what x tends to?
    also i have a another problem lim ((sinx/x))^(x^-2)) as x tends to zero
    and i still need some help on the other one i posted earlier?
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