The lines parallel to the normal to the curve \( x y=1 \) is/are: (a) \( 3 x+4 y+5=0 \) (b) \( 3...

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The lines parallel to the normal to the curve \( x y=1 \) is/are:
(a) \( 3 x+4 y+5=0 \)
(b) \( 3 x-4 y+5=0 \)
(c) \( 4 x+3 y+5=0 \)
(d) \( 3 y-4 x+5=0 \)
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