ebef24242423 ebef24242423
  • 03-10-2021
  • Mathematics
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1f F(x) = x³-x²-x-1/8 then f (-1/2)=?​

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anvitaachintyasingh0
anvitaachintyasingh0 anvitaachintyasingh0
  • 03-10-2021

[tex]f(x) = {x}^{3} - {x}^{2} - x - \frac{1}{8} \\ f( \frac{ - 1}{2})=( { \frac{ - 1}{2} })^{3} - ({ \frac{ - 1}{2} })^{2} - ( \frac{ - 1}{2}) - \frac{1}{8} \\ = \frac{ - 1}{8} - \frac{1}{4} + \frac{1}{2} - \frac{1}{8} \\ = \frac{ - 1 - 2 + 4 - 1}{8} \\ = \frac{0}{8} \\ = 0[/tex]

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