yUxx+ Uyy=0 is an equation of. A. HEAT EQUATION B. WAVE EQUATION C. TRICHOMI D. POISSON EQUATION View AnswerC. TRICHOMI Related MCQs Boundry conditions which include boundry valus is. ∂u/∂x=g is ____ B.C. Boundry value problem is taken as. Initial state is a part of auxiliary data . The power of highest partial derivative is called. Partial derivatives are denoted by. A solution of differential equation that identically zero on interval I is said to be. D’alembaets solution of wave eq. subjected. PDEs may involve variables. The Order of the partial differential equation (∂^3 u)/(∂x^3 )+(∂^2 u)/(∂y^2 )+3 ∂u/∂y=0.