Автор - smurfp

(a⁻² - b⁻²) * a²b²
упростить,пожалуууууйстаааа

Ответ

Автор - anita280898
(a⁻² - b⁻²) * a²b² frac{1}{a^2} - frac{1}{b^2} =  frac{a^2b-b^2a}{a^2b^2} <br />
 \   frac{ab(a-b)}{ab*ab} = frac{a-b}{ab}  \  \ <br />
 frac{a-b}{ab} *   frac{a^2b^2}{1} = frac{a-b}{ab} *   frac{ab*ab}{1} \  frac{ab(a-b)}{1}  \ a^2b-ab^2

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