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Math Help - very important I want check my answer

  1. #1
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    very important I want check my answer

    Hi
    I want check my answer and If there any mistake please correct it to me
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  2. #2
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    A key mistake:

    (-512)^{1/9} = -2.
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  3. #3
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    please heplo me who you get - 2
    i try agine and agine I did't get the answer -2
    i get -56.88888889
    please help me
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  4. #4
    MHF Contributor harish21's Avatar
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    Quote Originally Posted by r-soy View Post
    Hi
    I want check my answer and If there any mistake please correct it to me
    r = (-512)^(1/9)

    -512 = -2^9

    Therefore,

    r = -2

    You can easily find your required term of the series from here on
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  5. #5
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    thaaaaaaaaaaaaaaaaaaaaaaaaaaaaaanks a lot
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