The lines parallel to the normal to the curve \( x y=1 \) is/are
(1...
The lines parallel to the normal to the curve \( x y=1 \) is/are
(1) \( 3 x+4 y+5=0 \)
(2) \( 3 x-4 y+5=0 \)
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(3) \( 4 x+3 y+5=0 \)
(4) \( 3 y-4 x+5=0 \)
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