I have to prove the following equation for homework
limx→∞x2x2+sin2x=1
The proof must be done by proving that for every e>0 exists a M>0 so that for every x>M, |f(x)−1|<e is true.
I can't seem to figure this one out.
I would greatly appropriate anyone who tries to help me out :) Thanks
Answer
|x2x2+sin2x−1|=sin(x)2x2+sin2x≤1x2
Now making 1x2≤ϵ gives you the M....
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