JEE Main 20199 Apr, Morning shiftMathematicsMediumLimit, Continuity and Differentiability420× since 2002
Let S be the set of all values of x for which the
tangent to the curve
y = ƒ(x) = x³ – x² – 2x at
(x, y) is parallel to the line segment joining the
points (1, ƒ(1)) and (–1, ƒ(–1)), then S is equal
to :