Show that there exists a real number $c_1 > 0$ such that: for all $n \geq 0$, $$|v_n| \leq c_1 \frac{A^{n+1}}{n+1}.$$
Show that there exists a real number $c_1 > 0$ such that: for all $n \geq 0$,
$$|v_n| \leq c_1 \frac{A^{n+1}}{n+1}.$$