If the lines x−12=y+13=z−14 and x−31=y−k2=z1 are interesting, then k =
If the lines x−21=y−31=z−4−k andx−1k=y−42=z−51 are coplanar, then k can have
If the lines x−12=y+13=z−14 and x−31=y−k2=z1 intersect, then the value of k is -