NVAMediumJEE Main 2023 · 6 April, Shift 2Complex Numbers Basics

Mathematics Question from JEE Main 2023 · 6 April, Shift 2

For α,β,zC\alpha, \beta, z \in \mathbb{C} and λ>1\lambda > 1, if λ1\sqrt{\lambda - 1} is the radius of the circle zα2+zβ2=2λ|z - \alpha|^2 + |z - \beta|^2 = 2\lambda, then αβ|\alpha - \beta| is equal to _____ :

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