Mathematics Part-II

Book: Mathematics Part-II

Chapter: 10. Vector Algebra

Subject: Maths - Class 12th

Q. No. 13 of Exercise 10.3

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13

If are unit vectors such that find the value of

Given are unit vectors and



Now











Adding (i), (ii) and (iii) we get







13

Chapter Exercises

More Exercise Questions

5

Show that each of the given three vectors is a unit vector:

Also, show that they are mutually perpendicular to each other.