Question

Prove that 3^n+4-9*3^n+1/9*3^n+1=2 class 9

Answer 1

Answer:

3^n+4-9×3^n+1/9×3^n+1=2

3^n+4-27^n+1/9×3^n

3^n+4 -27^n +1/9 ×3^n

3^n+4×3^n -27^n +1/9

9^n^2 -27^n +1/9

9^n×2-27^n +1/9

18^n-27^n+1/9

-9^n+1/9