If the direction ratio of two lines are given by 
and
then the angle between the line is
a)
b)
c)
d)
If the direction ratio of two lines are given by and
then the angle between the line is
a)
b)
c)
d)
Question ID - 56102 | SaraNextGen Top Answer
If the direction ratio of two lines are given by and
then the angle between the line is
a)
b)
c)
d)
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If the direction ratio of two lines are given by
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (d`) -
(d)
Given, 
…..(i)
…(ii)
From Eq. (ii), 
putting in Eq. (i)
127 votes
Answer Link
127