Photos Y 16 ГРАФИК

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Y 16 график. X2+y2=16. X2-y2=a параметр. Параметр log(a-y^2)=log(a-x^2). X^2+Y^2=A^2.
X2+y2=16. X2-y2=a параметр. Параметр log(a-y^2)=log(a-x^2). X^2+Y^2=A^2.

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