Question

Question 1: Determine the set of the points at which each given function is continuous: 1) f(x,y) = (5 Marks 4-x2 - y2 (2) g(x,y,z) = In x2 + y2 - 61 Cosz (x2 - y2 + z) 3) h(x,y,z) = x + 2y - 2 x2 + y2 1

Please solve the 3 questions.

Answer 1

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Ang f(x,y) is continous 6t when 4 - x² - y2 to x + y + 4 2 gu, y, z) is continous when x² + y² + 6 Cosz to 27 antla २ x² - y² + z2 to 3 When h(x, y, z) is continous x +2y- 27,0 c x² + y² to ; x, y = 10,0)

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