53.) The lines parallel to normal to the curve xy = 4 can be
(a) 3x + 4y + 7 =0 (b) 3x – 4y + 5 = 0
(c) 4x + 3y + 5 = 0 (d) 3y - 4x + 7 = 0
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Step-by-step explanation:
option b) 3x-4y+5=0
& d) 3y-4x+7=0
this options are may be correct.
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