Упростите
[tex](3 \sqrt[6]{a}+ \sqrt[6]{b} )(3\sqrt[6]{a}- \sqrt[6]{b})+ \sqrt[9]{ 5b^{8} } : \sqrt[9]{5 b^{5} } [/tex]
[tex](3 \sqrt[6]{a}+ \sqrt[6]{b} )(3\sqrt[6]{a}- \sqrt[6]{b})+ \sqrt[9]{ 5b^{8} } : \sqrt[9]{5 b^{5} } [/tex]
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Answers & Comments
=9 ∛a - ∛b + (9)√b³ =
=9 ∛a - ∛b + ∛b = 9 ∛a