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If 2hat(i) - hat(j) + 3 hat(k),-12hat(i)...

If `2hat(i) - hat(j) + 3 hat(k),-12hat(i)-hat(j)- 3hat(k),-hat(i)+2hat(j)-4hat(k)and lambdahat(i)+2hat(j)-hat(k) ` are the position vectors of four coplanar points,then `lambda=`

A

-2

B

6

C

3

D

-6

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B
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