If z=\frac{y}{x} [ \sin \frac{x}{y}+\cos (1+\frac{y}{x}) ], then x \frac{\partial z}{\partial x} is equal to

Correct Answer is : −y∂z∂y

y \frac{\partial z}{\partial y}

-y \frac{\partial z}{\partial y}

2 y \frac{\partial z}{\partial y}

2 y \frac{\partial z}{\partial x}

EAMCET Engineering 2002 Solved Paper

Section: Mathematics

Question : 149 of 200

Marks: +1, -0

If z=‌

[sin‌‌

+cos(1+‌

)], then x‌

∂z

∂x

is equal to

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