Question

3 power n multiply 9 power n+1 upon 3 power n-1 multiply 9 power n-1

Answer 1

Step-by-step explanation:

3^n*9^n+1/3^n-1*9^n-1

3^n*3^2n+2/3^n-1*3^2n-2

n+2n+2/n-1+2n-2

3n+2/3n-3