TMUA 2016 Paper 1 Q13 — Worked Solution

P1·Differentiation, Algebra & Surds·6.5Official · 2016 · Q13

real-rootsstationary-pointssign-of-functionquintic

How many real roots does the equation

3 x^{5} - 10 x^{3} - 120 x + 30 = 0

have?

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