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A vector perpendicular to the plane cont...

A vector perpendicular to the plane contianing the points `A(1,-1,2), B(2 , 0, -1), C(0, 2, 1)` is

A

`4 hat i + 8 hat j - 4 hat k`

B

`8 hat i + 4 hat j + 4 hat k`

C

`3 hat i + hat j + 2 hat k`

D

`hat i + hat j - hat k`

Text Solution

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The correct Answer is:
B
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KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2007-MATHEMATICS
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