• # question_answer $ax+by+c=0$does not represent an equation of line when ____. A)  $a=c=0,\,\,b\ne 0$B)  $b=c=0,\,\,a\ne 0$C)  $a=b=0~$D)  $a=b\ne 0$

Solution :

$ax+by+c=0$ When a and b are equal to zero, then the above linear equation does not represent an equation of line.

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