Q164
The contour on the x - y plane, where the partial derivative of x2 + y2 with respect to y is equal to the partial derivative of 6y + 4x with respect to x, is
A.
y = 2
AnswerB.
x = 2
C.
x + y = 4
D.
x - y = 0
Answer: Option A
Solution
Answer: Option A
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