Further Pure Mathematics 4PM1 / Surds and Logarithmic Functions / 1.111.11: Solve logarithmic equations4PM1/2/November/2020 — Question 4 · 7 marksMark as done · Save for later(i) Solve the equation16logr4=log4r.16\mathrm{log}_r4=\mathrm{log}_4r.16logr4=log4r.(2)(ii) Solve the equationlog59+log512+log515+log518=1+log5x+log5x2.\mathrm{log}_59+\mathrm{log}_512+\mathrm{log}_515+\mathrm{log}_518 =1+\mathrm{log}_5x+\mathrm{log}_5x^2.log59+log512+log515+log518=1+log5x+log5x2.(5)▸ Mark scheme← 1.10: 4PM1/1R/November/2020 — Question 91.12: 4PM1/2/November/2020 — Question 8 →
