Question

HELLP repede la punctul c) dau 10p​

Answer 1

Răspuns:

Explicație pas cu pas:

Answer 2

$\frac{17^{n+2} -5\cdot17^{n+1}+17^n}{3\cdot 19^{n+1}-90\cdot19^n+19^{n+2}}=\\ \\=\frac{17^n(17^2-17\cdot5+1)}{19^n(3\cdot19-90+19^2)}=\\ \\=\frac{17^n \cdot 205}{19^n\cdot328}=\frac{17^n\cdot 5 \cdot 41}{19^n \cdot 8\cdot41} \Rightarrow se\ simplifica \ prin \ 41$