Find (lt_{(x,y) rightarrow(0,0)} frac{x^3-y^3}{(x-y)} )

1.	Find (lt_{(x,y) rightarrow(0,0)} frac{x^3-y^3}{(x-y)} )
A.	<sup>-1</sup> <sub>2</sub>
B.	0
C.
D.	-90
Answer» C.

Discussion

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