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Questions  

Statement I : If A.B=B.C,  then  Amaynotalways  be  equal  to  C

Statement II : The dot product of two vectors involves cosine of the angle between the two vectors.

a
If both statement I and statement II are true and statement II is the correct explanation of statement I.
b
If both statement I and statement II are true but statement II is not the correct explanation of statement I.
c
If statement I is true but statement II is false.
d
If both statement I and statement II are false.

detailed solution

Correct option is A

A→.B→ = B→.C→  ⇒ ABcosθ1 = BC cosθ2  ∴ A = C, only when θ1 = θ2So when angle between A→  and  B→ is equal to angle between B→  and  C→  only when A→  equal to C→.

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