- 734

- 0

## Main Question or Discussion Point

For this problem, "Please solve (2x-y+1)dx+(x+y)dy=0 "

My guess is that you have to make a linear transformation first to simplify the equation. However, I don't know how to make a linear transformation.

My guess is that you have to make a linear transformation first to simplify the equation. However, I don't know how to make a linear transformation.