Question

Solve for :
(3^n X 9^n+1) ÷ (3^n-1 x 27^n-1) = 81​

Answer 1

Step-by-step explanation:

(3^n×9^n+1)÷(3^n-1×27^n-1)=81

(3^3n+2)÷(3^4n-4)=81

3n+2-4n+4=4

6-n=4

-n=-2

n=2