The function f(x)= {4 x^{3}-3 x^{2}}/{6}-2 \sin x+(2 x-1) \cos x [24 Feb 2021 Shift 1]

Correct Answer is : increases in [12,∞)

increases in [\frac{1}{2}, \infty)

decreases in [\frac{1}{2}, \infty)

increases in (-\infty, \frac{1}{2}]

decreases in (-\infty, \frac{1}{2}]

JEE Main 24 Feb 2021 Shift 1 Solved Paper

Section: Mathematics

Question : 67 of 90

Marks: +1, -0

The function f(x)=‌

4x3−3x2

−2‌sin‌x+(2x−1)‌cos‌x

[24 Feb 2021 Shift 1]

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