Minimum value - Extension of Triangle Inequality?
64457
Prove:$|x-1|+|x-2|+|x-3|+\cdots+|x-n|\geq n-1$
92763
Optimising $x_1x_2+x_2x_3+\cdots+x_nx_1$ given certain constraints
75657
Maximizing/Minimizing triangle area
126632
Proving Inequalities with Absolute values
91662
Proof for triangle inequality for vectors
93576
Convex combination of extreme points
49240
$\forall x,y \in \mathbb{R}:\vert\cos x- \cos y\vert\leq\vert x-y\vert$
131536
Maximum and minimum restricted
44823
Prove the general arithmetic-geometric mean inequality
77192
How to prove $\text{Rank}(AB)\leq \min(\text{Rank}(A), \text{Rank}(B))$?
104603
Integer program in which at least one of three inequalities holds
61939
Induction of inequality involving AP
20040
shorter proof of generalized mediant inequality?
129161
The minimum perimeter and maximum height of a triangle under constraints
88605
Proof of the Reverse Triangle Inequality
26828
Generalization of Hölder inequality
24617
Proof of Inequality using AM-GM