TMUA 2021 Paper 2 Q6 — Worked Solution

P2·Differentiation, Logic & Quantifiers·6.5Official · 2021 · Q6

necessary-sufficientpolynomial-rootsstationary-points

Consider the following two statements about the polynomial

f (x)

P

f (x) = 0

for exactly three real values of

x

Q

f^{'} (x) = 0

for exactly two real values of

x

Which one of the following is correct?

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