T9ankshiaro
T9ankshiaro T9ankshiaro
  • 07-07-2016
  • Mathematics
contestada

Find x if f(x) = 2x 7 and f(x) = -1.

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caylus
caylus caylus
  • 08-07-2016
Hello,

[tex]f(x)=2x^7=-1\\ ==\ \textgreater \ x= \sqrt7]{ -\frac{1}{2}} \\ ==\ \textgreater \ x=-\sqrt7]{-\frac{1}{2}}\\ ==\ \textgreater \ x=0,9057236642639066715941728732151...\\. [/tex]
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