Resol Q=frac{16*4^{n-2}+4.5*4^{n+1}-4^n+2}{12*2^2n-1+2.5*2^2n+1-1.5*2^2n+2}

$$Q = \frac { 16 \cdot 4 ^ { n - 2 } + 4.5 \cdot 4 ^ { n + 1 } - 4 ^ { n + 2 } } { 12 \cdot 2 ^ { 2 n - 1 } + 2.5 \cdot 2 ^ { 2 n + 1 } - 1.5 \cdot 2 ^ { 2 n + 2 } }$$

Resoleu Q

$$Q=0,6$$

Resoleu n

$$n\in \mathrm{R}$$

$$Q = \frac{3}{5} = 0,6$$