Question:

Express 5(^1/3)a(^4/3)b(^2/3) in simplest radical form?

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a 1 /(index 3)√5a(^4)b²

b (index 3)√5a(^4)b²

c a(index 3)√5ab²

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  1. There is a factor ⅓ in all the exponents  - simply take this out and the expression can be written  

    (5 a^4 b^2)^⅓

    So if by  (index 3)√  you mean "cube root", the answer is option b.

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