meroseCharsand
meroseCharsand meroseCharsand
  • 15-07-2016
  • Mathematics
contestada

what is 3 root of − 81 end root? a. − 3 3 root of 3 b. 3 3 root of − 9 end root c. − 9 3 root of 3 d. 6 3 root of − 3 end root

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dalendrk
dalendrk dalendrk
  • 15-07-2016
[tex]\sqrt[3]{-81}=\sqrt[3]{-27\cdot3}=\sqrt[3]{-27}\cdot\sqrt[3]3=\boxed{-3\sqrt[3]3}\to\boxed{a.} [/tex]
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