Partial Differential Equations: Problems on Lagrange’s Linear PDE. Lect. # 3.

B. Sc. Second year Mathematics. Partial Differential Equations: Problems on Lagrange’s linear Partial Differential Equations. Links to the handwritten notes: 1. Linear Partial Differential Equations of order one https://drive.google.com/file/d/1kbcOVQcTFwy1SFopixkEGMD9wJGjfyOI/view?usp=drivesdk 2. Nonlinear Partial Differential Equations of order one https://drive.google.com/file/d/1nXSP4YSW-ZpVQER6CGbho-LsE2Kw_O8w/view?usp=drive_link