Q. If −5+x2−y2+y=0 then find dxdy in terms of x and y.Answer: dxdy=
Differentiate with respect to x: Differentiate both sides of the equation with respect to x. We will use implicit differentiation because y is a function of x. Differentiate each term separately: The derivative of −5 with respect to x is 0. The derivative of x2 with respect to x is 2x. The derivative of x0 with respect to x is x2 because we apply the chain rule. The derivative of y with respect to x is x5. So, we have: x6
Apply chain rule: Solve for (dxdy). We will collect the terms with (dxdy) on one side and the rest on the other side: −2y(dxdy)+(dxdy)=−2x Now, factor out (dxdy): (dxdy)(−2y+1)=−2x Now, divide both sides by (−2y+1) to solve for (dxdy): (dxdy)=−2y+1−2x
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