Extremizing sum/difference of lengths using triangle inequality
114297
Extremizing sum and difference of lengths using triangle inequality
27637
How can I apply Newton's sums to solve this problem?
109180
Deriving Sum of a Geometric Progression
103806
How to prove triangle inequality for $p$-norm?
139085
maximize volume of triangle in given perimeter
69207
Approximating the locations of the extrema of the sinc function
11824
A maximization problem
106816
Medians of a triangle and similar triangle properties
138316
A simple inequality for floor function
27954
Prove triangle inequality using the properties of absolute value
22237
Proof of triangle inequality
143374
Elegant proof that maximum of sums is, at most, sum of maximums
61939
Induction of inequality involving AP
20816
Inequalities with assumptions and constraints
60055
Solving a fractional inequality without trial and error
75804
Is this permutation-sum problem NP-complete?
92763
Optimising $x_1x_2+x_2x_3+\cdots+x_nx_1$ given certain constraints