CUET Mathematics 2026 18th May Shift 2 PYQs

If $f(x) = \begin{cases} \frac{x^2+3x-10}{x-2}, & x \neq 2 \\ 2k+1, & x = 2 \end{cases}$ is continuous at $x = 2$, then the value of $k$ is

If $y = \frac{1}{\sqrt[3]{1-x^3}}$ then $\frac{dy}{dx}$ is equal to

If $x = t^3$, $y = t^2$ then $\frac{d^2y}{dx^2}$ is equal to: