If (a 1 , b 1 , c 1 ) and (a 2 , b 2 , c 2 ) be the direction ratios of two parallel lines then

Question

Philoid · Accepted Answer

We know that if there is two parallel lines then their direction ratios must have a relation

If (a1, b1, c1) and (a2, b2, c2) be the direction ratios of two parallel lines then