Class 11Mathematics2 Complex Numbers and Quadratic Equations: Quadratic EquationsRelation between roots and coefficients
DifficultThe equation $x^5-5x^3+5x^2-1=0$ has three equal roots. If $\alpha$ and $\beta$ are the other two roots of this equation,then $\alpha+\beta+\alpha\beta=$
- A$-4$
- B$3$
- C$-2$
- D$-5$
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