At what points (x, y) in the plane are the following functions continuous? (a) f(x, y)...

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At what points (x, y) in the plane are the following functions continuous? (a) f(x, y) = sin(x + y) x+y x-y (b) f(x, y) = ln(x² + y²) (c) f(x, y) = (d) f(x, y) = x² + y² x²-3x+2 At what points (x, y) in the plane are the following functions continuous? (a) f(x, y) = sin(x + y) x+y x-y (b) f(x, y) = ln(x² + y²) (c) f(x, y) = (d) f(x, y) = x² + y² x²-3x+2

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a of my sinxy is Continuous for all xy E RR 5 is o... View the full answer