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The vector parallel to the line of inter...

The vector parallel to the line of intersection of the planes `vecr.(3hati-hatj+hatk) = 1` and `vecr.(hati+4hatj-2hatk)=2` is :

A

`-2hati-7hatj+3hatk`

B

`2hati+7hatj-3hatk`

C

`2hati+7hatj+3hatk`

D

`-2hati+7hatj+3hatk`

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The correct Answer is:
D
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