The value of p for which the points L(1,5), M(p,1) and N(4,11) are collinear is
-1
-2
2
1
The value of m for which the points (3,5), (m,6) and (12,152) are collinear is
The value of p for which the points (–1, 3), (2, p), (5, –1) are collinear is
The value of ‘k’ for which the points (1, 2), (5, 6) and (k, 1) are collinear is