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Indices, SM-Bank 079

Evaluate  \(3\times\sqrt{81}+\sqrt[3]{27}\times 2\).  (2 marks)

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\(33\)

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\(3\times \sqrt{81}+\sqrt[3]{27}\times 2\) \(=3\times\sqrt{9\times 9}+\sqrt[3]{3\times 3\times 3}\times 2\)
  \(=3\times 9+3\times 2\)
  \(=33\)

Filed Under: Indices Tagged With: num-title-ct-core, smc-4214-30-Roots

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