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The lines a(1)x+b(1)y+c(1)=0 and a(2)x+b...

The lines `a_(1)x+b_(1)y+c_(1)=0` and `a_(2)x+b_(2)y+c_(2)=0` are perpendicular to each other if

A

`a_(1)b_(2)-a_(2)b_(1)=0`

B

`a_(1)a_(2)+b_(1)b_(2)=0`

C

`a_(1)^(2)b_(2)+b_(1)^(2)a_(2)=0`

D

`a_(1)b_(1)+a_(2)b_(2)=0`

Text Solution

Verified by Experts

The correct Answer is:
B
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