JEE Main 202125 Feb, Evening shiftMathematicsEasyComplex Numbers and Quadratic Equations264× since 2002If α\alphaα, β\betaβ ∈\in∈ R are such that 1 −-− 2i (here i² = −-−1) is a root of z² + α\alphaαz + β\betaβ = 0, then (α\alphaα −-− β\betaβ) is equal to :AOption A. −-−7BOption B. 7COption C. 3DOption D. −-−3CheckSkip · show solution
