Question

9^2n*27^n+1 дробь 3^7n помогите 

Answer 1

$frac{9^{2n}*27^{n+1}}{3^{7n}} = frac{3^{4n}*3^{3n+3}}{3^{7n}} = frac{3^{7n+3}}{3^{7n}} =3^{3}=27$