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## Homework Statement

Solve:

[tex](3x^4siny-y^3)dx+(x^5cosy+3xy^2)dy=0[/tex]

## Homework Equations

## The Attempt at a Solution

At first I thought it was a simple equation of the type mdx+ndy=0, but when I integrated m wrt x and ignored all terms containing x in n (all of them in this case), and added, I didnt get the solution.

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