Answer to Question #269321 in Calculus for Angel Nodado

Question #269321

Find dy.


xy^4 + x ^ 2 y = x + 3y

1
Expert's answer
2021-11-24T17:33:12-0500

xy4+x2y=x+3yDifferentiating implicitly, we have thaty4+4xy3dydx+2xy+x2dydx=1+3dydxCollecting like terms, we have thatdydx(4xy3+x23)=12xyy4    dydx=12xyy44xy3+x23xy^4 +x^2y = x +3y\\ \text{Differentiating implicitly, we have that}\\ y^4 + 4xy^3\frac{dy}{dx} +2xy + x^2 \frac{dy}{dx}= 1 +3\frac{dy}{dx}\\ \text{Collecting like terms, we have that}\\ \frac{dy}{dx}(4xy^3+x^2-3)= 1-2xy-y^4\\ \implies \frac{dy}{dx} = \frac{1-2xy-y^4}{4xy^3+x^2-3}


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