Q. 105.0( 1 Vote )

# If the vectors <s

Let us understand that, two more points are said to be collinear if they all lie on a single straight line.

We have the position vectors as,  Since, a and b are collinear. We can draw a relation between and . Putting the values of and , we get  Comparing L.H.S and R.H.S, we get

2 = –6λ

And –3 = mλ

We need to find the value of λ in order to find m.

We have

2 = –6λ  Putting the value of λ in equation –3 = mλ m = 3 × 3

m = 9

Thus, the value of m = 9.

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