Find the intervals in which the function given by f(x)= 4 x-2 x-x x 2+ x is

MATHEMATICS · Multi-part · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives

Problem

3. Find the intervals in which the function

f

given by

f(x)=\frac{4 \sin x-2 x-x \cos x}{2+\cos x}

is (i) increasing (ii) decreasing. (i) increasing (ii) decreasing.