I have to differentiate this equation: sqrt(y)*y^2 = 4x not really sure how to go about doing this, havent done this sort of thing for a while, help much appreciated.
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Originally Posted by agun91 I have to differentiate this equation: sqrt(y)*y^2 = 4x not really sure how to go about doing this, havent done this sort of thing for a while, help much appreciated. $\displaystyle \sqrt{a} = a^{\frac{1}{2}}$ $\displaystyle a^n \times a^m = a^{m+n}$ Once you've got y reduced to a single power use implicit differentiation
cheers m8
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