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  • 19-01-2018
  • Mathematics
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Determine all values of k for which the roots of the equation x^2-6x+k=0 are complex

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Аноним Аноним
  • 19-01-2018
Complex roots occur when b^2 - 4ac is negative.

So we have (-6)^2 - 4.1.k < 0
                      -4k < - 36
                       k > 9
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