Find the maximum value of $|a|+|b|+|c|+|d|$.
34114
What is $\max{(1/\alpha+1/\beta+|1/\gamma|+|1/\delta|)}$?
76441
Max. and Min. value of $|z|$ in $\left|z+\frac{2}{z}\right| = 2\,$
157911
Which value of $a$ maximizes $\int_{a-1}^{a+1}\frac{1}{1+x^{8}}dx$?
122186
Finding the maximum value of a function on an ellipse
16123
How to find rows that have maximum value?
114297
Extremizing sum and difference of lengths using triangle inequality
143374
Elegant proof that maximum of sums is, at most, sum of maximums
67104
Find maximum divisors of a number in range
53411
Minimum of $\sqrt{\frac{a}{b+c}}+\sqrt{\frac{b}{c+a}}+\sqrt{\frac{c}{a+b}}$
127032
Maximum of $\cos \alpha_{1}\cdot \cos \alpha_{2}\cdot \cos \alpha_{3}....\cos \alpha_{n}.$
8617
How do you prove ${n \choose k}$ is maximum when $k$ is $ \lceil \tfrac n2 \rceil$ or $ \lfloor \tfrac n2\rfloor $?
79125
How to find the maximum value for the given $x\cos{\lambda}+y\sin{\lambda}$?
144512
Find the greatest value of $a^2\cdot b^3$ where $a+b=10$
47737
Find all the possible values of $(a,b,c,d)$.
82317
Find the minimum value of $A=\frac{2-a^3}{a}+\frac{2-b^3}{b}+\frac{2-c^3}{c}$
102817
$A,B\in M_{n}(\mathbb{R})$ so that $A>0, B>0$, prove that $\det (A+B)>\max (\det(A), \det(B))$
134159
Smallest value of $a^2 + b^2 + c^2+ d^2$, given values for $(a+b)(c+d)$, $(a+c)(b+d)$, and $(a+d)(b+c)$