Circles


@ShreyaNair0
If any mistake please let me know

@ShreyaNair0
A degenerate circle means circle with zero radius
Can you tell if anything is given in answer what is the exceptional condition for this case
I am getting
radius of given circle ,I.e. ,a should be zero

@NishantThakre actually the answer is not given for this question. But your solution seems correct. Thanks