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Using implicit differentiation, find 
(dy)/(dx).

-6y^(3)-5x^(4)+3x+6y-4xy=5

Using implicit differentiation, find dydx \frac{d y}{d x} .\newline6y35x4+3x+6y4xy=5 -6 y^{3}-5 x^{4}+3 x+6 y-4 x y=5

Full solution

Q. Using implicit differentiation, find dydx \frac{d y}{d x} .\newline6y35x4+3x+6y4xy=5 -6 y^{3}-5 x^{4}+3 x+6 y-4 x y=5
  1. Apply Chain Rule: We will differentiate each term of the equation with respect to xx, remembering to use the chain rule for terms involving yy, since yy is a function of xx.
  2. Differentiate 6y3-6y^3: Differentiate 6y3-6y^3 with respect to xx to get 18y2(dydx)-18y^2\left(\frac{dy}{dx}\right).
  3. Differentiate 5x4-5x^4: Differentiate 5x4-5x^4 with respect to xx to get 20x3-20x^3.
  4. Differentiate 3x3x: Differentiate 3x3x with respect to xx to get 33.
  5. Differentiate 6y6y: Differentiate 6y6y with respect to xx to get 6dydx6\frac{dy}{dx}.
  6. Differentiate 4xy-4xy: Differentiate 4xy-4xy with respect to xx. This requires the product rule: the derivative of the first function (4y-4y) times the second function (xx) plus the first function times the derivative of the second function (11). This gives us 4y4xdydx-4y - 4x\frac{dy}{dx}.
  7. Differentiate constant 55: Differentiate the constant 55 with respect to xx to get 00.
  8. Combine differentiated terms: Combine all the differentiated terms to form the new equation: 18y2dydx20x3+3+6dydx4y4xdydx=0-18y^2\frac{dy}{dx} - 20x^3 + 3 + 6\frac{dy}{dx} - 4y - 4x\frac{dy}{dx} = 0.
  9. Collect terms: Now, we collect all the terms with dydx\frac{dy}{dx} on one side and the rest on the other side: 18y2dydx+6dydx4xdydx=20x33+4y-18y^2\frac{dy}{dx} + 6\frac{dy}{dx} - 4x\frac{dy}{dx} = 20x^3 - 3 + 4y.
  10. Factor out dydx\frac{dy}{dx}: Factor out dydx\frac{dy}{dx} from the left side of the equation: dydx(18y2+64x)=20x33+4y\frac{dy}{dx}(-18y^2 + 6 - 4x) = 20x^3 - 3 + 4y.
  11. Solve for (dydx):</b>Solvefor$(dydx)(\frac{dy}{dx}):</b> Solve for \$(\frac{dy}{dx}) by dividing both sides of the equation by (18y2+64x)(-18y^2 + 6 - 4x): (dydx)=20x33+4y18y2+64x(\frac{dy}{dx}) = \frac{20x^3 - 3 + 4y}{-18y^2 + 6 - 4x}.

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