Consider the following 3lines in space
`L_1:r=3hat(i)-hat(j)+hat(k)+lambda(2hat(i)+4hat(j)-hat(k))`
`L_2: r=hat(i)+hat(j)-3hat(k)+mu(4hat(i)+2hat(j)+4hat(k))`
`L_3:=3hat(i)+2hat(j)-2hat(k)+t(2hat(i)+hat(j)+2hat(k))`
Then, which one of the following part(s) is/ are in the same plane?