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If a,b and c are three non-zero vectors ...

If a,b and c are three non-zero vectors such that no two of these are collinear. If the vector a+2b is collinear with c and b+3c is collinear with a(`lamda` being some non-zero scalar), then a+2b+6c is equal to

A

`lamda a`

B

`lamda b`

C

`lamda c`

D

0

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The correct Answer is:
D
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