已知:【(x²+y²)-(x-y)²+2y(x-y)】/4y=1,求4x/4x²-y²-1/2x+y

已知:【(x²+y²)-(x-y)²+2y(x-y)】/4y=1,求4x/4x²-y²-1/2x+y
已知:【(x²+y²)-(x-y)²+2y(x-y)】/4y=1,求4x/4x²-y²-1/2x+y

已知:【(x²+y²)-(x-y)²+2y(x-y)】/4y=1,求4x/4x²-y²-1/2x+y
【(x²+y²)-(x-y)²+2y(x-y)】/4y=1可化简为【x²+y²-x²-y²+2xy+2y（x-y）】/4y=1也即【2y*x+2y（x-y）】/4y=1 也即2y（2x-y）/4y=1即y=2x-2
4x/4x²-y²-1/2x+y=1/x -y²-1/2x +y
将y=2x-2代入化简得,1/x-（2x-2）² -1/2x +（2x-2）=1/x-4x（x-1）²/x-1/2x²/x+（2x²-2x）/x=9.5x-4x²-6+1/x