Evaluate limx,y→1,2gx,y if the limit exists, where gx,y=3x2-xyx2+y2+3

Evaluate $\lim_{(x, y) \to (1, 2)} g (x, y)$ if the limit
exists, where $g (x, y) = \frac{3 x^{2} - x y}{x^{2} + y^{2} + 3}$

Matching exercise

Match the items on the right to the items on the left.

Step - 1

Step - 2

Step - 3