If sin \(u = \frac{x^3 + y^3}{\sqrt{x} +\sqrt{y}}\), then xux + yuy will be equal to:

If sin \(u = \frac{x^3 + y^3}{\sqrt{x} +\sqrt{y}}\), then xux + yuy w

1.	If sin \(u = \frac{x^3 + y^3}{\sqrt{x} +\sqrt{y}}\), then xux + yuy will be equal to:
A.	\(\frac{5}{2} tan \ u\)
B.	\(\frac{3}{2} tan \ u\)
C.	\(\frac{1}{2} cot \ u\)
D.	\(\frac{3}{2} cot \ u\)
Answer» B. \(\frac{3}{2} tan \ u\)

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