brotherbobby's latest activity

Yes I was aware of this, but didn't succed when I tried to do the same problem your way. Let me show you the little I could do. Problem...

Thank you all, especially at @haruspex and @pasmith. I have solved the problem. It involved really a mistake that I made in my calculations.

Problem statement : I copy and paste the problem as it appeared in the text to the right. Attempt : ##\quad \begin{matrix}...