(a) Prove that $$\int\limits_{0}^{t} \operatorname{erf}_c(ax) \, dx =…
Previous year question for Engineering Mathematics-I.
Question
(a) Prove that
$$\int\limits_{0}^{t} \operatorname{erf}_c(ax) \, dx = t \operatorname{erf}_c(at) - \frac{1}{a\sqrt{\pi}}(e^{-a^2t^2}-1).$$
(b) Evaluate $\iint_{R} xydxdy$ over the region R in the positive quadrant bounded by the circle $x^2 + y^2 = a^2$.
- Year: 2022
- Subject: Engineering Mathematics-I