If sin u = {x^{3} + y^{3}}/{\sqrt{x} + \sqrt{y}}, then xu x + yu y will be equal to:

AAI ATC Junior Executive 2018 Shift 3 Paper

Question : 112 of 120

Marks: +1, -0

If sin

u = \;{x^{3} + y^{3}}/{{√{x}} + {√{y}}}

, then xu_x + yu_y will be equal to:

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