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The Direction Ratios of two parallel lines are 3,2,9 and 1,p,3. Find p. Can you please tell how to do.

The Direction Ratios of two parallel lines are 3,2,9 and 1,p,3. Find p. Can you please tell how to do.

Grade:11

1 Answers

Arun
25757 Points
5 years ago
Dear Arjun
 
Direction ratio of parallel lines can be a multiple of one another.
Hence
In the given direction ratios, they can be multiple of one another.
When we see,
1st direction ratio is multiple of 3 of 2nd direction ratio.
Hence
2 = 3p
p = 2/3
 
Regards
Arun (askIITians forum expert)

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