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  • 01-10-2018
  • Mathematics
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How many real solutions does p^2-5p+7=0 have

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Аноним Аноним
  • 01-10-2018

Let's  work out the discriminant  b^2 - 4ac:-

D =  (-5)^2 - 4*1*7  =  25 - 28 = -3

A negative discriminant  shows that there are NO real solutions Answer

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