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-- Mathematics - Section A
Applications of Derivatives
Points at which normal to the curve $y=x^3-3 x$ is parallel to y-axis are:
(1, 2) and (1, -2)
(1, -2) and (-1, 2)
(1, 2) and (-1, -2)
(-1, 2) and (1, 2)
The correct answer is Option (2) → (1, -2) and (-1, 2)