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If a,b,c are any three vectors , prove that [a+b a+c b] = [a c b]

If a,b,c are any three vectors , prove that [a+b a+c b] = [a c b]
 

Grade:12

1 Answers

Arun
25750 Points
5 years ago
Dear Prachi 
 
It can be written as
[a+b a+c b] = [ a a b] + [a c b] + [b a b] + [b c b] 
 = 0 + [ a c b] + 0 + 0
 = [ a c b] 
hence proved

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