Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Lines Properties of Lines
Under which condition, are the points (a, b), (c, d) and (a - c, b - d) collinear?
1
ab = cd
2
ac = bd
3
ad = bc
4
More than one of the above
5
None of the above