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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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