The position vectors of the point A, B , C and D are `3hat(i)-2hat(j)-hat(k), 2hat(i)+3h
Channel: Doubtnut
Date: 28/06/2020

The position vectors of the point A, B , C and D are `3hat(i)-2hat(j)-hat(k), 2hat(i)+3hat(j)-4hat(k), -hat(i)+hat(j)+2hat(k) and 4hat(i)+5hat(j)+lambdahat(k)` respectively. If A, B, C, D are coplanar, then `lambda=`