Class 11Mathematics2 Complex Numbers and Quadratic Equations: Quadratic EquationsSolution of quadratic equations and Nature of roots
EasySolve $x^{2}+x+1=0$
- A$\frac{-1 + \sqrt{3} i}{2}$
- B$\frac{-1 \pm \sqrt{3} i}{2}$
- C$\frac{1 \pm \sqrt{3} i}{2}$
- D$\frac{-1 \pm \sqrt{2} i}{2}$
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