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Let vec a = hat i + hat j + hat k, vec b...

Let `vec a = hat i + hat j + hat k, vec b = hat i - hat j + 2 hat k` and `vec c = x hat i +(x -2) hat j - hatk` .If the vector `vec c` lies in the plane of `veca` and `vecb` , thenx equals

A

0

B

1

C

`-4`

D

`-2`

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Verified by Experts

The correct Answer is:
D
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NEW JOYTHI PUBLICATION-VECTOR ALGEBRA-OBJECTIVE TYPE QUESTIONS
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  18. If vec a xx vec b and vec a. vecb = 0 then

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