A solution of the partial differential eq. (∂^2 u)/(∂x^2 )=9 (∂^2 u)/(∂y^2 ) is. A. COS(3X-Y) B. X2+Y2 C. E-3PIEXSIN(PIE Y) D. NONE View AnswerC. E-3PIEXSIN(PIE Y) Related Posts: Partial Differential Equation MCQs Test
