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Continue to ChatQuadratic Equations : Sum & Product of roots https://gmat-prep-blog.wizako.com/gmat-quant-practice/algebra/quadratic-equations-sum-of-roots-product-of-roots/
Quadratic Equations : Sum & Product of roots https://gmat-prep-blog.wizako.com/gmat-quant-practice/algebra/quadratic-equations-sum-of-roots-product-of-roots/