CUET Mathematics 2026 31st May Shift 2 PYQs

$\int_0^1 \frac{dx}{x^2 + x + 1}$

The integral I = $\int e^x\left(\frac{x - 1}{3x^2}\right) dx$ is equal to

If $\int_0^{\pi/2} \sqrt{\tan x} \, dx = \frac{\lambda}{\sqrt{2}}$, then the value of $\lambda$ is