Photos 2 DX DY

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2 dx dy. X^2dy=y^2dx. Dy/DX+Y/X -XY 2. 2√Y DX=dy. X2+4)dy−DX=0.
X^2dy=y^2dx. Dy/DX+Y/X -XY 2. 2√Y DX=dy. X2+4)dy−DX=0.

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