Raemillsonand Raemillsonand

15-10-2016
Mathematics

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2√7 times 3 √21 simply

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Аноним Аноним

15-10-2016

21=3*7
(2√7)(3√(3*7)=6√(3*7²)=6*7(√3)=42√3

Answer: (2√7)(3√21)=42√3

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