Автор - ynivermag

1 + frac{1}{ {a}^{2} }  -  frac{11}{25 {a}^{2} }  +  frac{2}{5a}

Ответ

Автор - bel72777

Ответ:

Объяснение:

1 +1/a² -11/(25a²) +2/(5a)=25a²(25a²) +25/(25a²) -11/(25a²) +10a/(25a²)=(25a²+25-11+10a)/(25a²)=(25a²+10a+14)/(25a²)

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