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Angle

The angle bet...

Question

The angle between a and b is $π / 6,$ then angle between 2a and 3b is

A

π / 3

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B

π / 2

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C

π / 6

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D

None of these

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Solution

The correct option is C $π / 6$
vectors a and 2a are collinear,b and 3b are also collinear.So angle between a and b is same as angle between 2a and 3b

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