real numbers, question 7, grade 10

28/06/2016 Grade 10 512

7)

E=\frac{{{9^{2n+1}}\times{6^{2n-3}}\times{2^{2n-1}}}}{{{{18}^{2n}}\times{4^{n-2}}}}

i) Write E in the form of the power of one number.

ii) Deduce the value of n if E = 9.