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

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