Photos Y 2 1 X B

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

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