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Mathematics 10 Online
OpenStudy (fanduekisses):

Did I solve this correctly? Implicit Differentiation ^_^

OpenStudy (fanduekisses):

\[3x^2-xy^3=6x\]

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

i think

OpenStudy (fanduekisses):

\[6x-y^3-3y^2*\frac{dy}{dx}*x=6\]

OpenStudy (anonymous):

lol another county heard from

OpenStudy (anonymous):

hi sat 73

OpenStudy (fanduekisses):

I get \[\frac{dy}{dx}= \frac{-6-6x+y^3}{-3y*x}\]

OpenStudy (anonymous):

a medal for you

OpenStudy (anonymous):

yea just for future reference it is a lot easier to write \[6x-y^3-3xy^2y'=6\]

OpenStudy (fanduekisses):

oh ok thanks yeah such a time saver ^_^

OpenStudy (anonymous):

yeah especially here not sure about your algebra though

OpenStudy (anonymous):

maybe just a typo denominator should be \(-3xy^2\) you are missing the exponent on the y

OpenStudy (fanduekisses):

oops yeah hehe

OpenStudy (fanduekisses):

Thank you :)

OpenStudy (anonymous):

yw i would also get rid of some of those minus signs, but that is just my preference, makes no difference

OpenStudy (fanduekisses):

how?

OpenStudy (anonymous):

\[\frac{dy}{dx}= \frac{-6-6x+y^3}{-3y^2x}\]\[=\frac{6+6x-y^3}{2xy^2}\]

OpenStudy (anonymous):

but like i said, makes no difference

OpenStudy (zarkon):

the numerator looks a little off

OpenStudy (anonymous):

oops caught again

OpenStudy (anonymous):

oy, the \(6\) on the right is not negative

OpenStudy (anonymous):

\[\frac{dy}{dx}= \frac{6-6x+y^3}{-3xy^2}\]

OpenStudy (anonymous):

@Zarkon always keeps me honest

OpenStudy (fanduekisses):

cool thanks :)

OpenStudy (anonymous):

now i have a question what do you sell on ebay?

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