Aerospace Engineering > GATE 2010 > Partial Differential Equations
The linear second order partial differential equation
5∂2φ/∂x2+3∂2φ/∂x∂y+2∂2φ/∂y2+9=0 is
5∂2φ/∂x2+3∂2φ/∂x∂y+2∂2φ/∂y2+9=0 is
Correct : c
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