Answer Happy • 4. Solve the partial differential equation (D²-DD'-2D²)2 = (2x²+xy-y²) sin(xy)-cos(xy). 1 (+)

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4. Solve the partial differential equation (D²-DD'-2D²)2 = (2x²+xy-y²) sin(xy)-cos(xy). 1 (+)

Posted: Mon Jul 11, 2022 11:10 am

by answerhappygod

: 4 Solve The Partial Differential Equation D Dd 2d 2 2x Xy Y Sin Xy Cos Xy 1 1 (6.49 KiB) Viewed 29 times

4. Solve the partial differential equation (D²-DD'-2D²)2 = (2x²+xy-y²) sin(xy)-cos(xy). 1 (+)