List questions from substitution

Published on 12 Nov 2020 - 19:30

287

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Completely stuck at integrating $\int x\sqrt{\cos x}\,dx$

Published on 13 Nov 2020 - 18:07

54

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Simple algebra clarification needed for Gaussian entropy formula

Published on 23 Feb 2026 - 20:39

57

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Integration by (further) substitution?

Published on 14 Nov 2020 - 17:37

303

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Unidentifiable negative sign (-) resulting from U-substitution

Published on 15 Nov 2020 - 13:35

101

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Translation invariance of $\sum_{n\in\mathbb{Z}} \operatorname{sinc}(n+c)$

Published on 18 Nov 2020 - 22:26

137

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A lemma for substitution theorem proof

Published on 20 Nov 2020 - 16:03

52

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Recurrence Relation when initial condition is 0

Published on 22 Nov 2020 - 11:06

54

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Iteration Substitution, and $T(n)$ where $n = 0$

Published on 22 Nov 2020 - 12:04

38

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Substituting $u=\ln$ when lower bound is $0$

Published on 27 Nov 2020 - 10:36

87

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How to solve integral of rational function with logarithm

Published on 29 Nov 2020 - 14:12

58

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Euler's Formula and Linear Difference Equation Solution

Published on 02 Dec 2020 - 22:39

32

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What happens to the product before the integral when substitution method?

Published on 04 Dec 2020 - 14:28

182

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Refinement of $\left(\frac{a+1}{a+b} \right)^{\frac25}+\left(\frac{b+1}{b+c} \right)^{\frac25}+\left(\frac{c+1}{c+a} \right)^{\frac25} \geqslant 3$

Published on 26 Mar 2026 - 19:12

210

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Using u-substitution on an integral

Published on 06 Dec 2020 - 23:17

List Question

Is integration by substitution always the reverse chain rule?

Completely stuck at integrating $\int x\sqrt{\cos x}\,dx$

Simple algebra clarification needed for Gaussian entropy formula

Integration by (further) substitution?

Unidentifiable negative sign (-) resulting from U-substitution

Translation invariance of $\sum_{n\in\mathbb{Z}} \operatorname{sinc}(n+c)$

A lemma for substitution theorem proof

Recurrence Relation when initial condition is 0

Iteration Substitution, and $T(n)$ where $n = 0$

Substituting $u=\ln$ when lower bound is $0$

How to solve integral of rational function with logarithm

Euler's Formula and Linear Difference Equation Solution

What happens to the product before the integral when substitution method?

Refinement of $\left(\frac{a+1}{a+b} \right)^{\frac25}+\left(\frac{b+1}{b+c} \right)^{\frac25}+\left(\frac{c+1}{c+a} \right)^{\frac25} \geqslant 3$

Using u-substitution on an integral

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