CUET Mathematics 2026 12th May Shift 2 PYQs

The interval in which $f(x)=\frac{x}{\log x}$ is increasing, is:

If $y = a\log x + bx^2 + x$ has extreme values at $x = 1$ and $x = 2$, then

Maximum slope of the curve $y = -x^3 + 3x^2 + 9x - 30$ is