Determine the minimum speed of a particle moving in 3-space with position function r(t) = ti+ 4t j + (?² – 16t) k . 1. min speed = 14 units/sec 2. min speed = 13 units/sec 3. min speed = 15 units/sec 4. min speed 16 units/sec 5. min speed = 12 units/sec

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A: Find the minimum distance from the point (4, 0, 6) to the plane x − y + z = 3.

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Q: 1. Find the minimum distance from the point (0, 0, 0) to the plane x- y+z = 3.

A: perpendicular distance

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