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Mathematics 7 Online
OpenStudy (anonymous):

find the lim x->infinity [5x-4/sqrt(x^2-10)]

hartnn (hartnn):

divide numerator and denominator by x what u get ?

OpenStudy (anonymous):

Why am I dividing by x?

hartnn (hartnn):

as x -> infinity what does 1/x tend to ?

hartnn (hartnn):

and what does 1/x^2 tend to ?

OpenStudy (anonymous):

x^-2

hartnn (hartnn):

do you know what does \(\large x \to \infty \) mean ?

OpenStudy (anonymous):

Nevermind I got it. Thank you though!

hartnn (hartnn):

ok, cool. just to verify, what answer u got ?

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