If the lines x = ay+b, z = cy+d and x = a’z+b’ y = c’z+d’ are perpendicular, then:
a.
cc’+a+a’=0
b.
aa’+c+c’=0
c.
ab'+bc’+1=0
d.
bb’+cc’+1=0
a.
cc’+a+a’=0
b.
aa’+c+c’=0
c.
ab'+bc’+1=0
d.
bb’+cc’+1=0
Question ID - 56757 | SaraNextGen Top Answer If the lines x = ay+b, z = cy+d and x = a’z+b’ y = c’z+d’ are perpendicular, then:
a.
cc’+a+a’=0
b.
aa’+c+c’=0
c.
ab'+bc’+1=0
d.
bb’+cc’+1=0
If the lines x = ay+b, z = cy+d and x = a’z+b’ y = c’z+d’ are perpendicular, then:
|
a. |
cc’+a+a’=0 |
b. |
aa’+c+c’=0 |
|
c. |
ab'+bc’+1=0 |
d. |
bb’+cc’+1=0 |
1 Answer
127 votes
Answer Key / Explanation : (b) -
Line x = ay+b, z = cy+d
=
Line x = a’z+b’, y = c’z+d’
=
Given both the lines are perpendicular
aa’+c’+c=0
127 votes
Answer Link
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