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( 1) 2 2 1 1/ 5 2 2/ 5 . e . x 62 ( 2)2 32 49 7. 6 3 . F ind a unit vector in the direction 4 . 3 6 T o normalize 4 , w e have 3 6 6 6 / 61 1 4 4 4 / 61 .
61 ( 6)2 4 2 ( 3)2 3 3 3/ 61 1 0 4 5 and z 1 .
4 . F ind the distance betw een u 2
8 0 4 5 and z 1 is
T he distance betw een u 2
8 0 4 4 5 1 4 4 2 ( 4)2 ( 6)2 68.
u z 2 8 6 5 . A nsw er true or false to the follow ing. If false offer a counterexample.
a. u v v u 0 .
T rue. W e have commutatively of the dot product.
b. F or any scalar c , cv c v .
F alse. 11 1 1 1 1 1 . . c. If u v u v , then u and v are orthogo...
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This homework help was uploaded on 03/21/2014 for the course M 340L taught by Professor Pavlovic during the Spring '08 term at University of Texas at Austin.
 Spring '08
 PAVLOVIC
 Matrices, Formulas

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