Find the vector projection of <-5,-3> onto <-7,-9>
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Find the vector projection of <-5,-3> onto <-7,-9>

[From: ] [author: ] [Date: 12-07-17] [Hit: ]
......
A) <-3.34, -4.29>
B) <-2.38, -1.43>
C) <-9.12, -5.47>
D) < -12.76, -16.41>

-
vector projection of u on v = (u●v) / I v I^2 *

vector projection of <-5, -3> on< -7, -9> = (-5*-7 + (-3*-9)) /(49+81) * < -7, -9 >

= (35 + 27) /130 * <-7, -9 >

= (62/130) < -7, -9 >

= (0.4769) < -7, -9 >

= < -3.34, -4.29 >
1
keywords: of,vector,gt,projection,onto,Find,lt,the,Find the vector projection of <-5,-3> onto <-7,-9>
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