132k views
2 votes
Prove by induction that 1-1/2 + 1/3 -1/4 + ... - (-1)ⁿ/n is always positive Prove by induction that for all positive integers n, (n²+n+1) is odd.

1 Answer

4 votes
tu calcul, et apres tu comprendras Answer:

Explanation:

User Murillo Ferreira
by
8.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.