Two vectors P=2hati+bhatj+2hatk and Q=ha...

Two vectors `P=2hati+bhatj+2hatk` and `Q=hati+hatj+hatk` will be parallel if

A

`b=0`

B

`b=1`

C

`b=2`

D

`b=-4`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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