In the each of the following, find the value of 'a' for which the given points are collinear.
`(2, 3), (4, a) and (6, -3)`

In the each of the following, find the value of 'a' for which the given points are collinear. (a, 2-2a), (-a+1, 2a) and (-4-a, 6-2a)

In each of the following find the value of 'k', for which the points are collinear. (7, -2), (5, 1), (3, k)

In each of the following find the value of 'k' for which the points are collinear. (8,1) , (k,-4), (2,-5).

In each of the following find the value of 'k' for which the points are collinear . (8,1),(k,-4),(2,-5)

In each of the following find the value of 'k', for which the points are collinear. (8, 1), (k, -4), (2, -5).

In each of the following find the value of 'k',for which the points are collinear.(i)(7,-2),(5,1),(3,k)

In each of the following find the value of 'k',for which the points are collinear.(ii)(8,1),(k,-4),(2,-5)

Find the value of 'K' for which the points are collinear. (3,8),(-4,2),(K,14)