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Unformatted text preview: x ≥ 0, y ≥ 0 and z ≥ 0, that are closest to the origin. (4) (25 marks) Assume that ( x , y , z ) on the smooth surface z = f ( x, y ) is closes to the origin. Show that the normal line at ( x , y , z ) passes through the origin. 1...
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This note was uploaded on 09/30/2010 for the course MATH 100 taught by Professor Qt during the Fall '09 term at HKUST.
- Fall '09