List questions from maxima-minima

Published on 22 Mar 2026 - 18:27

92

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Prove that there is a maximum subset of $\mathbb{N}$ who is closed under summation and does not contain any prime number.

Published on 22 Mar 2026 - 11:42

55

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Maximum of $\frac{1 -\cos(lx)}{1 - \cos(x)}$ on $[\frac{\pi}{l}, 2\pi - \frac{\pi}{l}$]

Published on 27 Jan 2018 - 22:27

158

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Global maxima and global minima.

Published on 21 Mar 2026 - 22:15

3.5k

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Find global minima for multivariable function

Published on 20 Mar 2026 - 2:14

91

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How do I maximize the function $f(x,y)=g(x,y)-ax-by$ given non-negativity and inequality constraints in the description?

Published on 24 Mar 2026 - 9:09

93

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Find extremal values of $f(x,y)=x^2+4y^2$ on the set $D$.

Published on 24 Mar 2026 - 3:23

320

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Finding minimum value of logarithmic series

Published on 22 Mar 2026 - 10:58

3.1k

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Solve quadratic equation in two variables .

Published on 22 Mar 2026 - 12:39

100

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Minimizing expression under constraint

Published on 24 Mar 2026 - 19:01

32

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Extrema of the product of $n$ variables

Published on 22 Mar 2026 - 10:33

206

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let $x,y ,z \in \mathbb{R^+}$ such that $x \geq y \geq z$ and $x^2+y^2+z^2 \geq 2xy+2xz+2yz$ now find the $\text{min}(\dfrac{x}{z})=?$

Published on 24 Mar 2026 - 22:01

116

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how to maximize $f(x,y)=\frac{x+y-2}{xy}$?

Published on 22 Mar 2026 - 18:18

91

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Maximum of three variables function

Published on 25 Mar 2026 - 2:56

204

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Finding maximal-sized rectangle inside circular segment

Published on 22 Mar 2026 - 18:58

List Question

Values of local maxima are countable for a $C^1$ function

Prove that there is a maximum subset of $\mathbb{N}$ who is closed under summation and does not contain any prime number.

Maximum of $\frac{1 -\cos(lx)}{1 - \cos(x)}$ on $[\frac{\pi}{l}, 2\pi - \frac{\pi}{l}$]

Global maxima and global minima.

Find global minima for multivariable function

How do I maximize the function $f(x,y)=g(x,y)-ax-by$ given non-negativity and inequality constraints in the description?

Find extremal values of $f(x,y)=x^2+4y^2$ on the set $D$.

Finding minimum value of logarithmic series

Solve quadratic equation in two variables .

Minimizing expression under constraint

Extrema of the product of $n$ variables

let $x,y ,z \in \mathbb{R^+}$ such that $x \geq y \geq z$ and $x^2+y^2+z^2 \geq 2xy+2xz+2yz$ now find the $\text{min}(\dfrac{x}{z})=?$

how to maximize $f(x,y)=\frac{x+y-2}{xy}$?

Maximum of three variables function

Finding maximal-sized rectangle inside circular segment

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