Mathematics Part-II

Book: Mathematics Part-II

Chapter: 10. Vector Algebra

Subject: Maths - Class 12th

Q. No. 11 of Exercise 10.4

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Let the vectors be such that then is a unit vector, if the angle between is

Given that:

(Magnitude of unit vector is 1)

Putting the values in the equation (1), we get

(where θ is the angle between the vectors)

Therefore, The correct option is (B).


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