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Mathematics, 01.09.2021 14:00 isudgyia

Q: Relative to the origin O, the point A has position vector given by OA = i + 2j + 4k. The line l has equation r = 9i − j + 8k + u(3i − j + 2k) . Find the position vector of the foot of the perpendicular from A to l. Hence find the position
vector of the reflection of A in l.

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Q: Relative to the origin O, the point A has position vector given by OA = i + 2j + 4k. The line l h...
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