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RD Sharma - Volume 2

Exercise 23.1

Exercise 23.2

1 2 3 4 5 A 5 B 5 C 6 7 A 7 B 8 9 10

Exercise 23.3

Exercise 23.4

Exercise 23.5

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Exercise 23.6

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Exercise 23.7

1 2 A 2 B 3 4 5 6 7 8 9 10 11 12 13

Exercise 23.8

1 A 1 B 2 A 2 B 2 C 2 D 2 E 3 A 3 B 4 5 A 5 B 6 A 6 B 7 A 7 B 8 9 10

Exercise 23.9

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Very short answer

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MCQ

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Q. 19

The two vectors <

Class 12th RD Sharma - Volume 2 23. Algebra of Vectors

Answer :

Let D be the point at which median drawn from A touches side BC.

Let be the position vectors of the vertices A, B and C.

So position vector of D =

So we creating a vector in the direction of AD

Position vector of D – position vector of A

So length of AD

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