CUET Mathematics 2023 23 May Shift 3 PYQs

The function $f(x) = 2\log_e(x-2) - x^2 + 4x + 1, (x > 2)$ is increasing on the interval:

The function $f(x) = x + \frac{1}{x}$ has

If the rate of change of area of a circle is equal to the rate of change of its diameter, then its radius is equal to :