Question: Let f(x, y) = x 2 + y |x| + |y| . (a) ) Evaluate the limit lim (x,y)(1,2) f(x, y), or determine that it

Let f(x, y) = x 2 + y |x| + |y| .

(a) ) Evaluate the limit lim (x,y)(1,2) f(x, y), or determine that it does not exist.

(b) Evaluate the limit lim (x,y)(0,0) f(x, y), or determine that it does not exist.

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