Question: Tutorial ExerciseUse the function to show that fx(0,0) and fy(0,0) both exist, but that f is not differentiable at (0,0).f(x,y)={6x2yx4y2,(x,y)=(0,0)0,(x,y)=(0,0)Step 1Take the partial derivative of

Tutorial ExerciseUse the function to show that fx(0,0) and fy(0,0) both exist, but that f is not differentiable at (0,0).f(x,y)={6x2yx4y2,(x,y)=(0,0)0,(x,y)=(0,0)Step 1Take the partial derivative of the function z=f(x,y) with respect to x.fx(x,y)=limx0f(x,0)-f(0,0)x=limx0?(x)4-x=SKIP (YOU CANNOT COME BACK)

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