Solve the following 1 1) y dx + x² + y? dy = 0 x +y 2) (3x? In x+ x² –y) dx- xdy = 0, y(1) = 5 dy +4xy = 3 sin x, y(27)=0 dx 3) 2х?

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A: How to solve this non exact or exacr DE xdy+ydx-3x3y2dy=0

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