Evaluate first and second partial derivatives of f(x,y)=(x+1)^2 sin (x y) at point P(1,2)

Introduction : Evaluate first and second partial derivatives of f(x,y)=(x+1)^2 sin (x y) at point P(1,2)Question : Evaluate first and second partial derivatives of\[ f(x,y)=(x+1)^2 sin (x y)\] at point P(1,2)Solution :\[f(x,y)=(x+1)^2 \sin (x y)\]\[f_x=2 (x+1) \sin (x y)+(x+1)^2 y…

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