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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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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