CBSE Class 12-science Answered
a,b,c are three vectors such that a x b=c, b x c=a
Asked by | 20 Feb, 2009, 05:30: PM
Expert Answer
b
(a x b)=a
|b|2 a- (a.b) b= a
as a
b,a.b=0
Hence , |b|2 =1,Hence |b|=1
From given equation,
|a x b|=|c|
Hence ,|a|=|c
Answered by | 20 Feb, 2009, 11:04: PM
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