Collinearity

Points whose position vectors are a+b,a-b,a+kb are collinear for:
(a) Only one integral value of k
(b) All integral values of k
(C) None of these

5 Answers

262

Aditya Bhutra ·2012-02-01 22:54:19

all values of k

Aditya, Solution please?

262

Aditya Bhutra ·2012-02-03 10:46:46

if a,b,c be three PV of three collinear points, then a-b = t(b-c) (tâ†’scalar)

apply this.

Ahh... Thanks!

Thanks

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