Answer:
1/6
Step-by-step explanation:
[3^n - 3^(n-1)] / [3^(n+1) + 3^n] =
[3^n( 1- 3^(-1))] / [3^n(3+1)] =
eliminate 3^n
(1 - 3^-1)/(3+1) =
(1-⅓) / 4 =
⅔ / 4 =
multiplied by 3
2/12 =
Ans:– 1/6. Kindly prefer the above attachment for the step by step explanations.
