List questions from maxima-minima

Published on 02 May 2026 - 5:15

93

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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 25 Mar 2026 - 6:07

58

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

Published on 15 Apr 2026 - 20:51

162

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Global maxima and global minima.

Published on 12 Apr 2026 - 1:11

3.5k

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Find global minima for multivariable function

Published on 29 Apr 2026 - 12:16

94

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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 29 Apr 2026 - 12:55

95

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

Published on 25 Mar 2026 - 7:17

323

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Finding minimum value of logarithmic series

Published on 10 Apr 2026 - 18:24

3.1k

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Solve quadratic equation in two variables .

Published on 09 Apr 2026 - 1:17

103

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Minimizing expression under constraint

Published on 10 May 2026 - 12:29

35

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Extrema of the product of $n$ variables

Published on 15 Apr 2026 - 20:06

209

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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 29 Apr 2026 - 12:26

120

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

Published on 20 Apr 2026 - 12:07

95

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Maximum of three variables function

Published on 03 May 2026 - 23:52

207

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Finding maximal-sized rectangle inside circular segment

Published on 12 Apr 2026 - 11:57

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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