Question: Evaluate each limit if it exists. If a limit doesn't exist, explain why. (a) lim COS(X + my) (x,y) -+ (11, 3) x2+ 2 ;

Evaluate each limit if it exists. If a limit doesn't exist, explain why. (a) lim COS(X + my) (x,y) -+ (11, 3) x2+ 2 ; (b) lim xy2 ; (c ) lim xty (x,y) - (0,0) x+y (x,y) - (0,0) X - y

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