Overview
I'm working on a mathematics multi-part question and need the explanation and answer to help me learn.
1. For the following function
f(x, y) = 1
x + 2y + 1
determine the limit
(x,y)?(1,?1)
f(x, y) exists or not? Justify your answer
2. For a real valued function f of n variables if: lim X?X0 f(X) = L Is the above limit unique? Prove or give counter example. it