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VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Specialist Mathematics => Topic started by: wildareal on May 16, 2011, 07:59:53 am

Title: Implicit diff
Post by: wildareal on May 16, 2011, 07:59:53 am: How would you do something like e^xy + xy^2 -sin(y)=2

Cheers
Title: Re: Implicit diff
Post by: Mao on May 16, 2011, 10:53:46 am: $\left( y + x \frac{dy}{dx}\right) e^{xy} + y^2 + 2xy\frac{dy}{dx} - \cos(y)\frac{dy}{dx} = 0$

group and rearrange to get dy/dx in terms of x and y.