I Sohe the differential equations FODE 1. ( 3x-y-4) dy (x+y-4) dx when x-3, y=7 2. 2x°cos y dy + sm y (x+ siny)dx 3. (2y--X 1+ x2y 2X +Y 4. Y( In y + x tan x) dx + tan x dy = 0 メy) de

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