Proof of Triangle Inequality Using Dot Products

Explanations 2

• Although very simple, the triangle inequality can sometimes be very useful when working with vectors. It states If xxx and yyy are vectors in Rn\mathbb{R}^nRn, then ∣x+y∣≤∣x∣+∣y…

  By Tae Hyung Kim

• There really aren't too many inequalities involving complex numbers. The reason for this is that we don't even have a basic 'ordering' for complex numbers. As a result, almost a…

  By Vincent Huang, Cameron Montag, Alex Federspiel