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Mathematics 7 Online
OpenStudy (anonymous):

could you guys help me with a limit ?.

OpenStudy (anonymous):

any limit?

OpenStudy (anonymous):

You there?

OpenStudy (anonymous):

OpenStudy (anonymous):

let me guess, no l'hopital

OpenStudy (anonymous):

think of factoring the difference of two cubes

OpenStudy (anonymous):

From Mathematica's Apart function:\[\frac{1-\sqrt{x}}{1-\sqrt[3]{x}}=\sqrt[6]{x}+\frac{1}{\sqrt[6]{x}+1} \]

OpenStudy (anonymous):

oh i see

OpenStudy (anonymous):

so i try to factor 1 - sqrt of x

OpenStudy (anonymous):

but it would be (x-1)(x+1) right

OpenStudy (anonymous):

whoa the method rob used really impressive

OpenStudy (anonymous):

how about using some kind of sustitution

OpenStudy (anonymous):

setting x = u^6

OpenStudy (anonymous):

OpenStudy (anonymous):

hehehe yeah i got it by using u sustitution and factorin

OpenStudy (anonymous):

but really impressed by robtobey's method

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