TMUA 2018 Paper 1 Q10 — Worked Solution

P1·Inequalities, Algebra & Surds·5.0Official · 2018 · Q10

absolute-valueinterval-boundsextremum-of-product

x

and

y

satisfy

∣2 - x ∣ \leq 6

and

∣ y + 2∣ \leq 4

. What is the greatest possible value of

∣ x y ∣

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