If X and Y are given as current co-ordinates, what is the equation of – McqOptions

MCQOPTIONS

1.	If X and Y are given as current co-ordinates, what is the equation of the tangent at a specific point of x3 – 3axy + y3 = 0 at (x, y)?
A.	(x2 – ay)X + (y2 – ax)Y = -2axy
B.	(x2 – ay)X + (y2 – ax)Y = 2axy
C.	(x2 – ay)X + (y2 – ax)Y = axy
D.	(x2 – ay)X + (y2 – ax)Y = -axy
Answer» D.

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