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23 September, 09:55

What is the value of x in the equation 1,331 x ^3 - 216 = 0?

A. - 6/11

B. 11/6

C. 1/6

D. 6/11 (correct)

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Answers (1)
  1. 23 September, 10:53
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    choice D. x = 6/11

    Step-by-step explanation:

    1,331 x ^3 - 216 = 0?

    11^3 = 1331

    6^3 = 216

    (11x) ^3 - 6^3 = 0

    We have (11x - 6) * ((11x) ^2 + 6 * (11x) + 36) = 0

    Solve 11x - 6 = 0

    x = 6/11
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