examine the nature of root of the give quadratic equation x2 +5x +5=0
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Given equation is x
2
−5x+7=0
Hence, a=1,b=−5,c=7
Therefore discriminant =D=b
2
−4ac
=25−4(7)
=25−28
=−3
Hence, D<0
Therefore, there are no real roots of this equation.
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