railway RRB JE (CBT I + CBT II) Mock Test 2024 Engineering Mathematics Differential Equations Partial Differential Equations
The partial differential equation
\(5\left( {\frac{{{\partial ^2}{\rm{z}}}}{{\partial {{\rm{x}}^2}}}{\rm{\;}}} \right){\rm{\;}} + {\rm{\;}}6\left( {\frac{{{\partial ^2}{\rm{z}}}}{{\partial {{\rm{y}}^2}}}} \right){\rm{\;}} = {\rm{\;z}}\)
1
elliptic
2
parabolic
3
hyperbolic
4
none of these