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प्रश्न
Determine the nature of the roots of the following quadratic equation :
x2 +3x+1=0
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उत्तर
x2 +3x+1=0
b2 - 4ac
= (3)2 - 4(1)(1)
= 9 - 4
= 5
Since discriminant is positive, hence the roots are real and irrational.
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