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If veca, vecb and vecc are three non-zer...

If `veca, vecb and vecc` are three non-zero vectors, no two of which are collinear, `veca +2 vecb` is collinear with `vecc and vecb + 3 vecc` is collinear with `veca`, then find the value of `|veca + 2vecb + 6vecc|`.

A

`veca + vecc`

B

`veca`

C

`vecc`

D

`vec0`

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The correct Answer is:
D
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