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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

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

Very short answer

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MCQ

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Q. 12

If <

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

Answer :

Given that the position vector points A, B are .

Let us assume that C lies between A and B.

Then AB=AC+BC

Given that 3AC=2AB=2(AC+BC)

⇒ AC=2BC

Therefore AC: BC=1:2

Also, since the ratio is positive, our assumption was correct.

Using section formula,

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