A-Level
AQA
Further Mathematics
January 2020
QP-202001-Further Mathematics-UFPSM1 · Question 4
Question (excerpt):
*06* IB/G/Jan20/FM02 outside the box 4 The function f is defined by f(𝑥𝑥) = 𝑥𝑥3 −2𝑥𝑥2 −3𝑥𝑥+ 1 The equation f(𝑥𝑥) = 0 has one negative root, 𝛼𝛼. 4 (a) Show that 𝛼𝛼 lies in the interval −1.5 < 𝛼𝛼< −1 [2…
*06* IB/G/Jan20/FM02 outside the box 4 The function f is defined by f(𝑥𝑥) = 𝑥𝑥3 −2𝑥𝑥2 −3𝑥𝑥+ 1 The equation f(𝑥𝑥) = 0 has one negative root, 𝛼𝛼. 4 (a) Show that 𝛼𝛼 lies in the interval −1.5 < 𝛼𝛼< −1 [2…
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