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Mathematics 6 Online
OpenStudy (anonymous):

lim x->4 (√x-2)(√x^3-8)

OpenStudy (anonymous):

did you means lim as x->2 ?

OpenStudy (anonymous):

nope it's definitely x -> 4 !

OpenStudy (anonymous):

ah, is your equation \[(\sqrt{x} -2)(\sqrt{x^3} -8)\]

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

well it's (x√−2) / (x3−−√−8)

OpenStudy (anonymous):

then the limit is just zero, plug in four and you'll see...

OpenStudy (anonymous):

the answer is supposed to be (1/12) :/

OpenStudy (anonymous):

sorry meant to say 'four' not 'zero'

OpenStudy (anonymous):

what's the square root of 4?

OpenStudy (anonymous):

2..

OpenStudy (anonymous):

(2-2) =?

OpenStudy (anonymous):

nvm i was just writing out my equation wrong! thanks though :)

OpenStudy (anonymous):

sure

OpenStudy (anonymous):

k

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