Images Y 2Y 5Y 2X

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Y 2y 5y 2x. 2x-2y/x^2-y^2. Y=1/2x2. X^2+Y^2=A^2. X2+y2=25.
2x-2y/x^2-y^2. Y=1/2x2. X^2+Y^2=A^2. X2+y2=25.

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