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The two lines x=ay+b,z=cy+d and x=a'y+b'...

The two lines `x=ay+b,z=cy+d and x=a'y+b', z=c'y +d'` are pendicular to each other if

A

`aa'+ c c'=1`

B

`(a)/(a')+(c)/(c')=-1`

C

`(a)/(a')+(c)/(c')=-1`

D

`aa'+ c c'=-1`

Text Solution

Verified by Experts

The correct Answer is:
(d)
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ARIHANT MATHS-THREE DIMENSIONAL COORDINATE SYSTEM-Exercise (Questions Asked In Previous 13 Years Exam)
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  7. Statement-I The point A(3, 1, 6) is the mirror image of the point B(1,...

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  14. If (2, 3, 5) is one end of a diameter of the sphere x^(2)+y^(2)+z^(2)-...

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  17. If the plane 2ax-3ay+4az+6=0 passes through the mid point of the line ...

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