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nugooo
@nugooo
June 2022
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a+1/2a(a-1)-a-1/2a(a+1)
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Roni7Semper
Первую дробь домножаем на (а+1)Вторую на (а-1).(а+1)(а+1)/2а(а-1)(а+1)-(а-1)(а-1)/2а(а-1)(а+1)=а^2+а+а+1/2а(а-1)(а+1)-а^2+а+а-1=4а/2а(а-1)(а+1)=2/(а-1)(а+1)=2/а^2-1
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