Images 2X 2Y

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2x 2y. X^2/A^2-Y^2/B^2 график. X2 a2 y2 b2 1 фигура. X^2/A^2+Y^2/B^2=1. X^2+Y^2=A^2.
X^2/A^2-Y^2/B^2 график. X2 a2 y2 b2 1 фигура. X^2/A^2+Y^2/B^2=1. X^2+Y^2=A^2.