°øÇмöÇÐ2 ±â¸»°í»ç.hwp / SeoulTech December7,2015 Chem.Eng.xxxxxx-21002 Engineering Mathematics II - Final Exam. 1[15]. Fill in the blank or answer true/false: 1. The functionsandare orthogonal on the interval . 2. The product of an odd functionwith an odd functionis a(n) _ function. 3. The corresponding eigenfunction for the boundary-value problem for¡¦