Question

URGENTLY SOLVE PLEASE

Answer 1

Step-by-step explanation:

9^n = 3^2n

27^n= 3^3n

put in expression

(3^2n. 3^2.3^n - 3^3n)/3^3m.2^3

={3^(2n+2+n)-3^3n}/3^3(1+n).2^3

=(3^(3n+2) - 3^3n)/3^3n.3^3.2^3

=3^3n(3^2 - 1)/3^3n.3^3.8

=8/3^3.8

hope you got

1/27 proved