New posts in triangle-inequality

Prove that $\measuredangle\gamma= 90^{\circ}$

real-analysis calculus trigonometry substitution triangle-inequality

How do I prove that the inner product operator is a metric?

metric-spaces inner-products triangle-inequality

Use the triangle inequality to show that $|a|+|b| \leq |a+b|+|a-b|$

real-analysis inequality absolute-value triangle-inequality

General Proof for the triangle inequality

real-analysis inequality absolute-value triangle-inequality

The Triangle Inequality implies that the shortest path between two points is a line segment. (in "Linear Algebra Done Right 3rd Edition" by Axler)

linear-algebra inner-products triangle-inequality

When does equality hold in the Minkowski's inequality $\|f+g\|_p\leq\|f\|_p+\|g\|_p$?

real-analysis inequality reference-request lp-spaces triangle-inequality