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OpenStudy (anonymous):
Rationalize the denominator and simplify the quad?root of 2x^5/3w
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OpenStudy (anonymous):
\[\sqrt[4]{2x ^{5}/3w}\]
OpenStudy (anonymous):
I came up with \[x ^{4}\sqrt{(54w ^{3}x)/3w}\] but it looks wrong to me
OpenStudy (anonymous):
I'm confused >.<
OpenStudy (anonymous):
ok multiply and divide by 81w^4
OpenStudy (anonymous):
oh sorry...don't do that
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OpenStudy (anonymous):
what you need is 81 w^4 inside the root
OpenStudy (anonymous):
so multiply divide 27w^3
OpenStudy (anonymous):
which you did right ?
OpenStudy (anonymous):
if you do that you will get 81w^4 in denominator which when comes out of the root becomes 3w
OpenStudy (anonymous):
Oh ok.. gotchya so far..
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OpenStudy (anonymous):
in numerator you will get 54x^5 *w^3
OpenStudy (anonymous):
So multiply divide.. 27w^3 which yields to 81w^4 that becomes 3w out of the root to recap so far..
OpenStudy (anonymous):
yeah
OpenStudy (anonymous):
So I got the 54, where I messed up is the w and x
OpenStudy (anonymous):
i think it should become x (54 * w^3* x)^1/4
---
3w
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OpenStudy (anonymous):
54 = 2*3*3*3 now you can't have anything else out of the root so the final should be
x/3w * ( 54*w^3*x)^1/4
OpenStudy (anonymous):
Ok.. thank you very much for you help with this.. these things are a pain in the butt to me >.<
OpenStudy (anonymous):
lolx.
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