TMUA 2020 Paper 1 Q7 — Worked Solution

P1·Indices, Logarithms & Exponentials·5.0Official · 2020 · Q7

common-basesimultaneous-equationsindex-laws

Given that

2^{3 x} = 8^{(y + 3)} and 4^{(x + 1)} = \frac{1 6 ^{(y + 1)}}{8 ^{(y + 3)}},

what is the value of

x + y

Discussion

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