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## Homework Statement

(2y-6x)dx + (3x+4x

^{2}y

^{-1})dy = 0

## Homework Equations

## The Attempt at a Solution

(3xy+4x

^{2})dy/dx = 6xy-2y

^{2}

i'm stuck, want to find the intergrating factor, it's xy

^{2}when i reverse from the answer :D.. give me any hint please