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Mathematics 14 Online
OpenStudy (dls):

Help with my first limit problem!

OpenStudy (anonymous):

Which is?

OpenStudy (dls):

\[\lim_{x \rightarrow } \sqrt{x ^{2}+x+1}-\sqrt{x^2+1 } \]

OpenStudy (dls):

x tending to infinity

OpenStudy (anonymous):

And this is your first limit problem? Well this escalated quickly.

hartnn (hartnn):

replace x by 1/y when x->infinity, y->0

OpenStudy (anonymous):

That's tough for a first limit promlem lol...

OpenStudy (dls):

I'm stuck here.. |dw:1348723755889:dw|

OpenStudy (dls):

I rationalized first then took x^2 common in denominator then took it out of square root,and cancled with x in numerator Did anyone get O.o

OpenStudy (dls):

@hartnn did you get what i did? and can be little detailed?

hartnn (hartnn):

yesm i got, now u can put 1/x =0 because x-> infinity so 1/x->0

hartnn (hartnn):

put. 1/x and 1/x^2 = 0

OpenStudy (dls):

1/infinity =0? Is this generalization?

OpenStudy (dls):

I'm getting 1/root2

hartnn (hartnn):

|dw:1348724067357:dw|

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