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Coordinate Planes in Three Dimensional Space

If a and b ar...

Question

If a and b are the position vectors of two points A and B and C is a point on AB produced such that AC = 3AB, then position vector of C will be

A

3b - 2a

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B

3a - 2b

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C

3b - a

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D

3a - b

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Solution

The correct option is A
3b - 2a

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