Ответ:
Объяснение:
5/(x – 1) – 3/(x + 1) = 15/(x2 – 1)
(5*(x + 1)-3*(x – 1))/(x2 – 1) =15/(x2 – 1)
5x+5-3x-3=15
2x=13
x=7.5
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Ответ:
Объяснение:
5/(x – 1) – 3/(x + 1) = 15/(x2 – 1)
(5*(x + 1)-3*(x – 1))/(x2 – 1) =15/(x2 – 1)
5x+5-3x-3=15
2x=13
x=7.5