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Unformatted text preview: 51 . The direction of v is u = 1 j v j v = 1 p 51 h 5 ; & 1 ; & 5 i = * 5 p 51 51 ; & p 51 51 ; & 5 p 51 51 + . The vector, w , that has one half of the length of v and points in the same direction as v is w = 1 2 v = 1 2 h 5 ; & 1 ; & 5 i = & 5 2 ; & 1 2 ; & 5 2 ± . The opposite of the direction of v is & u = * & 5 p 51 51 ; p 51 51 ; 5 p 51 51 + . 1 Thus the vector, r , that has length 4 and points in the opposite direction of v is r = 4 ( & u ) = 4 * & 5 p 51 51 ; p 51 51 ; 5 p 51 51 + = * & 20 p 51 51 ; 4 p 51 51 ; 20 p 51 51 + . 2...
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This note was uploaded on 02/05/2012 for the course MATH 2203 taught by Professor Ellermeyer during the Fall '10 term at FIU.
 Fall '10
 Ellermeyer
 Math

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