Acrobat Reader File Edit View Window Help 98 0 94% Q 8 0 Tue Apr 9 2:31 AM Quiz3-2024s.pdf X + Create Sign in All tools Edit Convert E-Sign Find text or tools Q | H 1. Variational principle in QM. 1.1 Explain how the variational principle allows us to compare two or more trial wavefunctions (e.g. biand (;) and determine which one better approximates the exact ground-state wavefunction Do. [10 points] (Hint: the following integral may prove useful Eave = - Sy*Hydv [AI 147% 4