TMUA 2022 Paper 1 Q13 — Worked Solution

P1·Algebra & Surds, Indices, Logarithms & Exponentials·7.0Official · 2022 · Q13

surdshidden-quadraticcube-root

Given that

(a^{3} + \frac{2}{b ^{3}}) (\frac{2}{a ^{3}} - b^{3}) = 2,

where

a

and

b

are real numbers, what is the least value of

ab

Discussion

No discussions yet. Stuck, or want to share an approach? Start the first one.