1. The problem statement, all variables and given/known data Question: Given that Wavefunction Fi = A exp[b*mod(x)], which b is a non zero positive constant. Calculate the normalisation constant. 2. Relevant equations 1 = Integrating Mod square (Wavefunction) from minus infinity to positive infinity 3. The attempt at a solution It's the mod(x) there which I don't really know how to deal with it. Could anyone please help me out? Many Thanks!