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Let S be the set of all values of x for which the tangent to the curve y = f(x) = x 3 – x 2 – 2x at (x, y) is parallel to the line segment joining the points (1, f

1. ) and (–1, f(–1)), then S is equal to :
2. ⎭ ⎬ ⎫ ⎩ ⎨ ⎧ 1 , 3 1
3. ⎭ ⎬ ⎫ ⎩ ⎨ ⎧ 1 – , 3 1
4. ⎭ ⎬ ⎫ ⎩ ⎨ ⎧ 1 – , 3 1 – (4) ⎭ ⎬ ⎫ ⎩ ⎨ ⎧ 1 , 3 1 – CAREER POINT CAREER POINT , CP Tower, IPIA, Road No.1, Kota (Raj.), : 0744-6630500 | www.ecareerpoint.com Email: info@cpil.in Page # 2 JEE Main Online

Correct answer: ⎭ ⎬ ⎫ ⎩ ⎨ ⎧ 1 – , 3 1 – (4) ⎭ ⎬ ⎫ ⎩ ⎨ ⎧ 1 , 3 1 – CAREER POINT CAREER POINT , CP Tower, IPIA, Road No.1, Kota (Raj.), : 0744-6630500 | www.ecareerpoint.com Email: info@cpil.in Page # 2 JEE Main Online

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