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`X^2+X+2=0` - Mathematics

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प्रश्न

`x^2+x+2=0` 

 

उत्तर

The given equation is `x^2+x+2=0` 

Comparing it with `ax^2+bx+c=0`we get 

`a =1,b =1 and c = 2` 

∴Discriminant `D=b^2-4ac=1^2-4xx1xx2=1-8=-7<0` 

Hence, the given equation has no real roots (or real roots does not exist). 

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Relationship Between Discriminant and Nature of Roots
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Quadratic Equations - Exercises 3

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आरएस अग्रवाल Mathematics [English] Class 10
अध्याय 10 Quadratic Equations
Exercises 3 | Q 16
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