Let a ER (0), BER and consider (r+ y) In(y-4x), (x,y) (0.0) B. f(x,y) = {1....

 

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Let a ER\ (0), BER and consider (r+ y) In(y-4x), (x,y) (0.0) B. f(x,y) = {1. a) (4 points) Depending on a, find the domain of f. (x,y)=(0,0) b) (6 points) For which values of a ER\ (0), Be R is f continuous at (0,0)? Explain properly. Let a ER\ (0), BER and consider (r+ y) In(y-4x), (x,y) (0.0) B. f(x,y) = {1. a) (4 points) Depending on a, find the domain of f. (x,y)=(0,0) b) (6 points) For which values of a ER\ (0), Be R is f continuous at (0,0)? Explain properly.