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ax+by+c=0 does not represent an equation...

`ax+by+c=0` does not represent an equation of a line when _______

A

`a=c=0, b ne 0`

B

`b=c=0, a ne 0`

C

`a = b =0`

D

`a=b ne 0`

Text Solution

Verified by Experts

The correct Answer is:
C
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