User Portlet User Portlet

Discussions
Thank you so much for the reply, Sir. I changed variables from u to (u + tv - x). For which I considered P = u + vt - x, and got the following equation: $$\int_{-\infty }^{\infty} e^{-\frac{(P+x-tv)^{2}}{4Dt}}d\sqrt{\frac{P}{tv}} \;...