Questions
If A . B = 0 and A X B = 1, then A and B are
a
perpendicular unit vectors
b
Parallel unit vector
c
parallel
d
anti-parallel
detailed solution
Correct option is A
Given, A· B = 0⇒ A⊥B⇒A×B=1 ABsinθ=1⇒ABsin90°=1or AB=1⇒A=1 and B=1 So, A and B are perpendicular unit vectors.Talk to our academic expert!
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A unit vector is represented by ,then the value of c is
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