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Question
Math
Posted 7 months ago

f(x,y)=y2x
f(x, y)=\frac{y^{2}}{x}


What is the partial derivative of ff with respect to xx ?
Choose 1 answer:
(A) y2x2\frac{-y^{2}}{x^{2}}
(B) 2yx\frac{2 y}{x}
(C) 2yx2\frac{-2 y}{x^{2}}
(D) 2yxy2x2\frac{2 y x-y^{2}}{x^{2}}
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Answer from Sia
Posted 7 months ago
Solution by Steps
step 2
answer with steps: d/dx(Y2/x)=Y2/x2d/dx(Y^2/x) = -Y^2/x^2
step 3
x!=0, Y = 0
step 4
xR:x0{x \in \mathbb{R} : x \neq 0}
step 5
yR:(y=0 and Y=0) or (y<0 and Y0){y \in \mathbb{R} : (y = 0 \text{ and } Y = 0) \text{ or } (y < 0 \text{ and } Y \neq 0)}
step 6
even
A
Key Concept
Partial Derivative with respect to x
Explanation
The partial derivative of f(x,y)=y2xf(x, y) = \frac{y^2}{x} with respect to xx is computed by treating yy as a constant and differentiating y2/xy^2/x with respect to xx, which results in y2x2-\frac{y^2}{x^2}.

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