Just want to check my answers...(adsbygoogle = window.adsbygoogle || []).push({});

are my answers right?

1) lim (1/x) + (1/x^2)

x-> 3-

ans=0

2) lim √(x^2+4)-2/x

x->0

ans=0

3) lim (√(2x^2+5) -x)

x-> positive infinity

ans= positive infinity

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# Homework Help: Limit of 1/x + 1/x^2 when x -> 3 from the left

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