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Mathematics 10 Online
OpenStudy (anonymous):

limits?? lim x->infinite (1+x^2)^3

OpenStudy (superdavesuper):

if the question is indeed (1+x^2)^3, then it is infinity as x->infinity

OpenStudy (anonymous):

how do i prove that

OpenStudy (anonymous):

step by step please

OpenStudy (anonymous):

@superdavesuper

OpenStudy (superdavesuper):

x->infinity so x^2->infinity so (1+x^2)^3->infinity

OpenStudy (anonymous):

so if it was approaching negative infinitity then it would be negative infinitity

OpenStudy (superdavesuper):

"negative infinity"? does ur book really say that?? not sure + and - apply to infinity. in any case, no, it would still be infinity because of x^2

OpenStudy (anonymous):

okay it said lim x-> + - infinity (1+x^2)^3

OpenStudy (superdavesuper):

ok then the ans is infinity :)

OpenStudy (anonymous):

alright thank you

OpenStudy (superdavesuper):

welcome

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