Further Pure Mathematics 4PM1 / Surds and Logarithmic Functions / 1.441.44: Logarithmic equations4PM1/2/January/2017 — Question 7 · 11 marksMark as done · Save for later(a) Given that kkk is a constant such that27(x+2)−3(3x+5)3x×9(x+2)=k\frac{27^{(x+2)}-3^{(3x+5)}}{3^x\times9^{(x+2)}}=k3x×9(x+2)27(x+2)−3(3x+5)=kfind the value of kkk. (5)(b) Find the exact roots of the equation 2log2y+3logy2=72\log_2y+3\log_y2=72log2y+3logy2=7. (6)▸ Mark scheme← 1.46: 4PM1/1/June/2017 — Question 71.52: 4PM1/1/January/2016 — Question 10 →
