Question

`x^2+x+2=0` 

 

Answer 1

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).