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The straight line a(1)x+b(1)y+c(1)=0 and...

The straight line `a_(1)x+b_(1)y+c_(1)=0 anda_(2)x+b_(2)y+c_(2)=0` are parallel to each other if -

A

`(a_(1))/(a_(2))ne(b_(1))/(b_(2))`

B

`(a_(1))/(b_(1))ne(b_(2))/(a_(2))`

C

`(a_(1))/(a_(2))=(b_(1))/(b_(2))`

D

`(a_(1))/(b_(1))=(b_(2))/(a_(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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