CUET Mathematics 2022 10 Aug Shift 1 PYQs

$\int e^x \left(\frac{1-x}{1+x^2}\right)^2 dx =$

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

$\int_0^8 (x^{\frac{2}{3}} + 1) dx$ is equal to