A-Level Further Maths D2-06 Roots of Polynomials: Quadratic Problem

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Since k is a real number, could you possibly explore the discriminant of 'c' in your final equation? Or would it not work since it could either equal 0 or be greater than 0, giving you an inequality as part of your answer?

nosir
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Can’t you simplify the quadratic equation further?

yuvrajgabrie