Question

Please answer asap .

Answer 1

Answer:

$option \: \: (b) \: is \: correct.$

Step-by-step explanation:

$31) \: \: \: \: \: \: \: \: \: \: \: \: \frac{{5}^{n + 2} - 6. {5}^{n + 1} }{13. {5}^{n + 1} - 2. {5}^{n + 1} } = \frac{ {5}^{n + 1}(5 - 6) }{ {5}^{n}(13 - 2 \times 5) } \\ \\ = \frac{5 \times - 1}{3} \\ \\ = - \frac{5}{3} .$