Ответ:
[tex] \frac{a {}^{5} }{ \sqrt[7]{a {}^{5} } } = \frac{a {}^{5} }{a {}^{ \frac{5}{7} } } = ( \frac{a {}^{5} }{a {}^{ \frac{5}{7} } } ) {}^{7} = \\ = \frac{(a {}^{5}) {}^{7} }{(a {}^{ \frac{5}{7} }) {}^{7} } = \\ = \frac{a {}^{35} }{a {}^{5} } = a {}^{35 - 5} = \\ = a {}^{30} [/tex]
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Ответ:
[tex] \frac{a {}^{5} }{ \sqrt[7]{a {}^{5} } } = \frac{a {}^{5} }{a {}^{ \frac{5}{7} } } = ( \frac{a {}^{5} }{a {}^{ \frac{5}{7} } } ) {}^{7} = \\ = \frac{(a {}^{5}) {}^{7} }{(a {}^{ \frac{5}{7} }) {}^{7} } = \\ = \frac{a {}^{35} }{a {}^{5} } = a {}^{35 - 5} = \\ = a {}^{30} [/tex]