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If A,B,C are non Zero Vectors and Abar.Bbar =0, Bbar.Bbar = 0, FIND the value of Abar.Cbar

Varun Harnathka , 13 Years ago
Grade 12
anser 3 Answers
Anuj Agrawal

-AB

Last Activity: 13 Years ago
Varun Harnathka

The answer given is AC. But I wan''t to know how?

Last Activity: 13 Years ago
Chitransh Gaurav

Given:

a.b=0 (a is perpendicular to b)

b.c=0 (b is perpendicular to c)

thus b is perpendicular to both a and c.

Therefore,  a.c=0; if they are distinct vectors and if they are same then a.c=a.a=1

Last Activity: 13 Years ago
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