Let $n \in \mathbb{N}$, and let $a_1, ... , a_n > 0.$
Show that:
I got the hint that we have to use this induction step for the induction proof:
And thats what I got so far in the Induction step but i only come to dead ends:
My first try:
And my second try:
I hope you can help me or give me a hint and thank you in advance for the answers.