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

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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.	(x<sup>2</sup> ay)X + (y<sup>2</sup> ax)Y = -2axy
B.	(x<sup>2</sup> ay)X + (y<sup>2</sup> ax)Y = 2axy
C.	(x<sup>2</sup> ay)X + (y<sup>2</sup> ax)Y = axy
D.	(x<sup>2</sup> ay)X + (y<sup>2</sup> ax)Y = -axy
Answer» D. (x<sup>2</sup> ay)X + (y<sup>2</sup> ax)Y = -axy

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