Unformatted text preview: ⃗v 2 ⃗v 3 ⃗v 4     = 3 × 6 = 18 . 2. Find the area of the parallelogram in R 3 deﬁned by ⃗v 1 = 2 5 1 and ⃗v 2 = 1 2 . Solution. If you set A equal to the matrix with columns ⃗v 1 and ⃗v 2 , this is the square root of the determinant of A T A . That is ( det ( 30 4 4 5 )) 1 / 2 = √ 134 ....
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 Fall '08
 lee
 Multiplication, Vectors, Complex number

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