t2halougladiso t2halougladiso

07-06-2016
Mathematics

contestada

What is 3 root of 72 ?

A.
9 3 root of 2

B.
3 3 root of 9

C.
2 3 root of 9

D.
9 3 root of 3

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μnibble μnibble

07-06-2016

C, because:
3√(72) = 3√(8•9)
= 3√(8) • 3√(9)
= 2 • 3√(9)

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