JEE Advance - Mathematics (1986 - No. 25) | ExamPlay

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JEE Advance - Mathematics (1986 - No. 25)

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

$$a > 0,b > 0$$

$$a > 0,b < 0$$

$$a < 0,b > 0$$

$$a < 0,b < 0$$

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