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Unformatted text preview: . To find the cross product of two vectors a and b use a 3 X 3 matrix. i j k a 1 a 2 a 3 b 1 b 2 b 3 ex. Let a 1, 2, 3 b6, 0, 5 . Find b × a . Area of a parallelogram = ex. Find the area of the parallelogram whose vertices are A(6,0), B(1, 4), C(3,1), D(4,5) Do: Let r a 1, 1, 1 r b 0, 5, 2 a. Find a × b . b. Find the area of the triangle where two sides are a and b ....
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 Spring '08
 DONTREMEMBER
 Geometry, Vectors, Dot Product, Righthand rule

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