7:43 PM 50 BSM 312 Problem S... BSM 312 Differential Equations Problem Set No. 3 (Solution of Exact Equations) Find the solution of the following differential equations. 1) (2.xy– 3x* ) dx +(x² + y)dy=0 2) (x-2y)dx+2(y-x)dy =0 3) v(2uv² – 3) du +(3u°v² – 3u +4v)dv = 0 4) (r+sin 0 – cos 0)dr+r(sin 0 +cos 0)d0 =0 5) (xy² +x- 2y+3)dx+x² ydy= 2(x+ y)dy when x = 1, y = 1

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