List questions from maxima-minima

Published on 08 Dec 2019 - 23:01

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$xy + ax^2 + bx + c = 0 , x+y$ has relative max or min if...

Published on 09 Dec 2019 - 16:32

43

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Interval for which $x^{12}-x^9+x^4-x+1>0$

Published on 09 Dec 2019 - 20:20

44

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What is the maximum value of $H(r)=\frac{1}{3} \pi r^2\sqrt{l-r^2} $ when $l=7$?

Published on 25 Mar 2026 - 9:43

29

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Interval in which $x=2t^3-3t^2$ is negative

Published on 10 Dec 2019 - 13:27

55

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Minima of $f(x)=\frac{x^2-1}{x^2+1}$

Published on 11 Dec 2019 - 14:34

88

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Extremum of $f(x)=\begin{cases}|x|\;;\quad0<|x|\leq2\\1\;;\quad x=0\end{cases}$

Published on 11 Dec 2019 - 18:23

104

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Minimize with Lagrange multiplier

Published on 01 Apr 2026 - 14:11

220

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How to use Lagrange Multiplier for same degree?

Published on 28 Mar 2026 - 20:52

37

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Find symbolic expression for critical point

Published on 12 Dec 2019 - 15:54

34

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Optimize sum of the square of hermitian forms

Published on 25 Mar 2026 - 2:27

294

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Analytically minimize sum of products

Published on 13 Dec 2019 - 5:07

117

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Least possible value of $k$ for which $f(x)=x^2+kx+1$ is increasing on $[1,2]$

Published on 13 Dec 2019 - 21:32

1.4k

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How can I identify global extremum given only the graph of the first derivative?

Published on 14 Dec 2019 - 4:25

64

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Find a specific critical point from set of equations for $f(x,y) = xy(12-3x-4y)$

Published on 15 Dec 2019 - 2:13

List Question

Prove that there are an equal number of local maxima and local minima

$xy + ax^2 + bx + c = 0 , x+y$ has relative max or min if...

Interval for which $x^{12}-x^9+x^4-x+1>0$

What is the maximum value of $H(r)=\frac{1}{3} \pi r^2\sqrt{l-r^2} $ when $l=7$?

Interval in which $x=2t^3-3t^2$ is negative

Minima of $f(x)=\frac{x^2-1}{x^2+1}$

Extremum of $f(x)=\begin{cases}|x|\;;\quad0<|x|\leq2\\1\;;\quad x=0\end{cases}$

Minimize with Lagrange multiplier

How to use Lagrange Multiplier for same degree?

Find symbolic expression for critical point

Optimize sum of the square of hermitian forms

Analytically minimize sum of products

Least possible value of $k$ for which $f(x)=x^2+kx+1$ is increasing on $[1,2]$

How can I identify global extremum given only the graph of the first derivative?

Find a specific critical point from set of equations for $f(x,y) = xy(12-3x-4y)$

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