Предмет: Алгебра, автор: Liiiiiiiiiiiiiiiii

Подайте у вигляді степеня вираз (y9)^-1:y^-2

Ответы

Автор ответа: vityamath

7

Ответ:

Объяснение:

$\frac{(y^{9)^{-1} } }{y^{-2} } =\frac{y^{-9} }{y^{-2} } =y^{-9-(-2)} =y^{-7} =\frac{1}{y^{7} }$

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