EC > GATE 2015 SET-3 > Calculus
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
B
x = 2
C
x + y = 4
D
x - y = 0

Correct : a

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partial derivatives EC GATE 2015 contour line equation GATE electrical engineering 2015 EC gate partial derivative x^2+y^2 partial derivative 6y+4x EC gate 2015 equation of contour line

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