TMUA 2021 Paper 1 Q20 — Worked Solution

P1·Indices, Logarithms & Exponentials, Coordinate Geometry·7.5Official · 2021 · Q20

log-lawscircle-arcdomain-restriction

Find the length of the curve with equation

2 lo g_{10} (x - y) = lo g_{10} (2 - 2 x) + lo g_{10} (y + 5) .

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