Пошаговое объяснение:
[tex]A_1(-5;0)\ \ \ \ A_2(5;0)\ \ \ \ 2c=14.\\c=14:2=7\\c^2=a^2+b^2\\a^2=5^2=25\\7^2=25+b^2\\b^2=49-25=24\\b^2=24\ \ \ \ \Rightarow\\\frac{x^2}{25}-\frac{y^2}{24} =1.[/tex]
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Пошаговое объяснение:
[tex]A_1(-5;0)\ \ \ \ A_2(5;0)\ \ \ \ 2c=14.\\c=14:2=7\\c^2=a^2+b^2\\a^2=5^2=25\\7^2=25+b^2\\b^2=49-25=24\\b^2=24\ \ \ \ \Rightarow\\\frac{x^2}{25}-\frac{y^2}{24} =1.[/tex]