Предмет: Математика, автор: korol34

рациональной выражение
упрости выражение
1/x+1/y)/x^2-y^2/2xy

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Автор ответа: natavoron

0

=(1x+1y)*(2xyx^2-y^2)=(y+xyx)*(2xyx^2-y^2)=(y+x)*2xyyx(x^2-y^2)=(y+x)*2x^2-y^2=2x+2yx^2-y^2

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