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If the line a x+b y+c=0 is a normal to t...

If the line `a x+b y+c=0` is a normal to the curve `x y=1,` then `a >0,b >0` `a >0,b<0` `a<<0,b>>0` (d) `a<0,b<0` none of these

A

`agt0,bgt0`

B

`agt0,blt0`or`alt0,bgt0`

C

`alt0,blt0`

D

None of these

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The correct Answer is:
B
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