Find `lamda`, if the vectors `bar(a)=hat(i)+hat(j)+hat(k),bar(b)=hat(i)-hat(j)+hat(k)and
Channel: Doubtnut
Date: 29/03/2020

Find `lamda`, if the vectors `bar(a)=hat(i)+hat(j)+hat(k),bar(b)=hat(i)-hat(j)+hat(k)andbar(c)=2hat(i)+3hat(j)+lamdahat(k)` are coplanar.