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The straight line x-y-2=0 cuts the axis...

The straight line `x-y-2=0` cuts the axis of `x` at `Adot` It is rotated about `A` in such a manner that it is perpendicular to `a x+b y+c=0` . Its equation is: (a)`b x-a y-2b=0` (b) `a x-b y-2a=0` (c)`b x+a y-2b=0` (d) `a x+b y+2a=0`

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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