**Unformatted text preview: **=-18 √ 14 proj a b = a • b | a | 2 a =-18 14 < 2 ,-3 , 1 > = <-18 / 7 , 27 / 9 ,-9 / 7 > 3. Find a vector orthogonal to the plane through the points P (2 , ,-3), Q (3 , 1 , 0), R (5 , 2 , 2). Solution: PQ = < 1 , 1 , 3 > and PR = < 3 , 2 , 5 > PQ × PR = <-1 , 4 ,-1 >...

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- Fall '06
- YUKICH
- Vectors