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Problem 4. Compute the limit below. or show that it doesn't exist. xyex lim (x,y) (0,0) x + ...
Problem 4. Compute the limit below. or show that it doesn't exist. xy²ex lim (x,y) ?(0,0) x² + 4y4 Problem 5. Mark each item below TRUE or FALSE. No need for explanation. For legibility, please write the full word TRUE or FALSE. A. If |a| = |b, then a and are the same vector. B. \projab can never be the same as 151 C. A plane P has a normal vector n =< 1, 0, -1 >. All planes parallel to P must also have the exact normal vector =< 1,0,?1 >. D. Given any differentiable function f(x,y). If f (2, 0) is negative, so must be fz (3, 0).