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One college algebra ?

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Hello I have a question about a problem. The problem is (- 25/9)^3/2. Its multiple choice however I think they are tricking us.

A. 125/27
B. - 125/27
C. 125/3
D. Not a real number

I got A as an answer but feel that it is not a real number?

  • One college algebra ? - ,

    NM it is D not a real number

  • One college algebra ? - ,

    (- 25/9)^3/2
    = [(- 25/9)^3]^(1/2)
    we are taking the square root of a negative number, so
    no real number.

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