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If the line ax+ by+ c = 0 is a normal to...

If the line ax+ by+ c = 0 is a normal to the curve xy = 1, then

A

`a gt 0, b lt 0`

B

`a gt 0, b gt 0`

C

`a lt 0, b lt 0`

D

Data is insufficient

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The correct Answer is:
A
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