Prove that if A and B are any vectors, then the vectors lBl A + lAl B and lBl A - lAl B are orthogonal such that A=(a1,a2,a3); B=(b1,b2,b3); IAI=(a12 ,a22 ,a32 ); IBI=(b12 ,b22 ,b32 ).
Prove that if A and B are any vectors, then the vectors lBl A + lAl B and lBl A - lAl B are orthogonal such that A=(a1,a2,a3); B=(b1,b2,b3); IAI=(a12 ,a22 ,a32 ); IBI=(b12 ,b22 ,b32 ).
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 12E
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Prove that if A and B are any
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