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If the vectors p hat(i)+hat(j)+hat(k), h...

If the vectors `p hat(i)+hat(j)+hat(k), hat(i)+q hat(j)+hat(k)` and `hat(i)+hat(j)+r hat(k) (p ne q ne r ne 1)` are coplanar, then the value of `pqr -(p+q+r)` is :

A

`-2`

B

2

C

0

D

`-1`

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The correct Answer is:
A
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BITSAT GUIDE-VECTOR ALGEBRA -BITSAT Archives
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