Question

2 power n + 2 power n minus 1 divided by 2 power n + 1 - 2 power n is equal to 3 power 2​

Answer 1

Step-by-step explanation:

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Answer 2

My interpretation:

$\frac{2^n+2^{n-1}}{2^{n+1}-2^{n}}=3^2$.

So, the RHS (right hand side) is 9.

We let $2^{n-1}=x$. Then, $\frac{2x+x}{4x-2x}=9$. Since $\frac{3}{2} \neq 9$, there is no solution.

Next time, it would be helpful to write it like 2^n. Make sure you use parentheses too.