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8 August, 15:12

What is the value of x in the equation 1,331x^4-216=0?

a) - 6/11

b) 11/6

c) 1/6

d) 6/11

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Answers (1)
  1. 8 August, 17:40
    0
    The value of x will be obtained as follows:

    1331x^4-216=0

    1331x^4=216

    divide through by 1331

    x^4=216/1331

    x = (216/1331) ^ (1/4)

    x = (6^3/11^3) ^ (1/4)

    x = (6/11) ^ (3/4)
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