\(f(x, y)=x^9.y^8sin(\frac{x^2+y^2}{xy})+cos(\frac{x^3}{x^2y+yx^2})x^ – McqOptions

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1.	\(f(x, y)=x^9.y^8sin(\frac{x^2+y^2}{xy})+cos(\frac{x^3}{x^2y+yx^2})x^{11}.y^6\) Find the value of fx at (1,0).
A.	23
B.	16
C.	17(sin(2) + cos(1⁄2))
D.	90
Answer» D. 90

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