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The equation of the tangent to the curve...

The equation of the tangent to the curve `y""=""x""+4/(x^2)` , that is parallel to the x-axis, is (1) `y""=""1` (2) `y""=""2` (3) `y""=""3` (4) `y""=""0`

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JEE MAINS PREVIOUS YEAR-APPLICATION OF DERIVATIVES-All Questions
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