List questions from problem-solving

Published on 11 Jan 2020 - 23:55

18

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If $U = f(y+αx) + f(y-αx)$, with $f$ differentiable, show that when $x=0$, then $Ux = 0$.

Published on 22 Mar 2026 - 1:32

128

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Critical points of a differential equation

Published on 26 Mar 2026 - 8:15

75

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Is it possible to maximize $f$ while minimize $g$?

Published on 26 Mar 2026 - 1:00

360

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A challenging problem on continuity-MADHAVA-2020.

Published on 13 Jan 2020 - 13:04

187

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Homotopy of functions of $S^1$ and $\mathbb{R}P^2$

Published on 15 Jan 2020 - 23:41

36

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Find function type from list of points

Published on 17 Jan 2020 - 7:37

82

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A function such that $f:\mathbb C \to \mathbb C$ such that $f(z)f(iz)=z^2$ satisfies $f(z)+f(-z)=0$.(MADHAVA-2020)

Published on 17 Jan 2020 - 10:05

65

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Is the presence of a constant necessary in a Robin boundary condition?

Published on 25 Mar 2026 - 23:39

50

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approximations of finite series of $e^x$

Published on 19 Jan 2020 - 17:57

277

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How to solve this sum of exponential integrals?

Published on 21 Jan 2020 - 17:31

88

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How to find the centre of mass of the following object?

Published on 21 Jan 2020 - 18:36

75

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How to reform the Density Functions to make logical predictions in this problem?

Published on 22 Jan 2020 - 3:32

63

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Help looking for solutions to these two equations?

Published on 22 Jan 2020 - 16:29

204

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The mean remaining operation lifetime of a parallel system

Published on 27 Mar 2026 - 7:13

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How to calculate the derivative of cos(x) in Calculus Made Easy

If $U = f(y+αx) + f(y-αx)$, with $f$ differentiable, show that when $x=0$, then $Ux = 0$.

Critical points of a differential equation

Is it possible to maximize $f$ while minimize $g$?

A challenging problem on continuity-MADHAVA-2020.

Homotopy of functions of $S^1$ and $\mathbb{R}P^2$

Find function type from list of points

A function such that $f:\mathbb C \to \mathbb C$ such that $f(z)f(iz)=z^2$ satisfies $f(z)+f(-z)=0$.(MADHAVA-2020)

Is the presence of a constant necessary in a Robin boundary condition?

approximations of finite series of $e^x$

How to solve this sum of exponential integrals?

How to find the centre of mass of the following object?

How to reform the Density Functions to make logical predictions in this problem?

Help looking for solutions to these two equations?

The mean remaining operation lifetime of a parallel system

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