Inequality

https://imgur.com/a/ZvcA3yJ 
Tell me please whats topics i must learn to be able to solve that.
Thanks in advance!
  • Erdos Erdos
    +1

    The link is broken. You may want to type the inequality you want to prove.

  • M F H M F H
    0

    Topics to study : real analysis, specifically : inequalities, e.g., Cauchy-Schwarz, Jensen and Kantorovich inequality.

Join Matchmaticians Affiliate Marketing Program to earn up to a 50% commission on every question that your affiliated users ask or answer.