Solve (x – y)dx + (3x + y)dy = 0 with the condition: y(2) = –1 O (2æ + 4y) – (2x + 4y) ln(2x + 4y) = 0 O (2x + 4y) – (x+ y) ln(x + y) = 2 O (x + 2y) + (x+ y) ln(x + y) = 2 O 2 (x + 2y) + (x + y) In(x + y) = 0

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