Quartic with Three Real Zeros

IB Maths: Analysis & Approaches: Quartic with Three Real Zeros

Problem:Consider the quartic function f(x)=(x−a)(x−a)(x−b)(x−b)−n such that a, b, n∈ℝ . Find the value of n, in terms of a and b, such that f(x) has three distinct real zeros (two single roots and one double root).download document with problem and solution Quartic 3 Real Zeros with solution v2

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