Teaching HSSC TGT 2023 Mock Test (Latest Pattern) Mathematics Three Dimensional Geometry Direction ratios and Direction cosines
Find the value of k for which the line through the points (2, 4, 8) and (1, 2, 4) is parallel to the line through the points (3, 6, k) and (1, 2, 1) ?
1
10
2
9
3
8
4
0
5
Not Attempted