Question

Are substitution instances for counterexamples in logic required to have unique descriptive terms?

score 103 · Answer 1 · 2022-07-20 17:57:21

103

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Are substitution instances for counterexamples in logic required to have unique descriptive terms?

Published on 20 Jul 2022 - 17:57

score 68 · Answer 2 · 2022-07-27 13:06:33

68

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Question regarding integration with substition for $\int \frac{\sin({\sqrt{x}})}{\sqrt{x}}dx$

Published on 27 Jul 2022 - 13:06

score 201 · Answer 3 · 2022-07-27 13:46:42

201

Views

Issues with integrating $\int x^2 \sqrt{x^3 +1}$ via integration by parts

Published on 27 Jul 2022 - 13:46

score 160 · Answer 4 · 2022-07-27 18:23:22

160

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Why can you not do $u$-sub on the integral of $\sqrt{1+x^2}$?

Published on 27 Jul 2022 - 18:23

score 243 · Answer 5 · 2022-07-31 16:29:45

243

Views

Evaluating $ \frac{24}{\pi}\int_0^\sqrt 2\frac{2-x^2}{(2+x^2)\sqrt{4+x^4}}\,\mathrm dx$

Published on 31 Jul 2022 - 16:29

score 78 · Answer 6 · 2022-07-31 17:55:39

78

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Convert the double integral $\int_{-T/2}^{T/2}\int_{-T/2}^{T/2}g(\alpha-\beta)d\alpha d\beta$ to a single integral with respect to $\tau=\alpha-\beta$

Published on 31 Jul 2022 - 17:55

score 64 · Answer 7 · 2022-08-01 19:52:56

64

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Fourier transform of a spectrum

Published on 01 Aug 2022 - 19:52

score 98 · Answer 8 · 2022-08-08 19:35:30

98

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Integrating $ -\frac{A}{4}\int_0^T \sin\left(\frac{2\pi t}{T} - \frac{4\pi \tau}{T}\right)d\tau $

Published on 08 Aug 2022 - 19:35

score 129 · Answer 9 · 2022-08-13 07:42:33

129

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Differentiating $\sec^{-1}(\sqrt{1+x^2})$ for $x \in (-1, 1)$

Published on 13 Aug 2022 - 7:42

score 44 · Answer 10 · 2022-08-31 14:42:32

44

Views

Derivative with respect to a modified independent variable

Published on 31 Aug 2022 - 14:42

score 112 · Answer 11 · 2022-09-02 15:20:26

112

Views

Using u-subsitution to integrate $ \int_{0}^{1} e^{3 x^{3}-2 x}\left(9 x^{2}-2\right) d x $

Published on 02 Sep 2022 - 15:20

score 71 · Answer 12 · 2022-09-05 09:35:27

71

Views

An ODE that is solved "apparently" correctly, but gives the wrong result

Published on 05 Sep 2022 - 9:35

score 79 · Answer 13 · 2026-03-31 03:39:11

79

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Understanding how to change of variables theorem appears in the u-substiution used in the integral $\int \tan(x)dx$

Published on 31 Mar 2026 - 3:39

score 99 · Answer 14 · 2022-09-10 03:52:52

99

Views

Doubts in solving $\int_0^1 x\sqrt{x+2} dx$

Published on 10 Sep 2022 - 3:52

score 215 · Answer 15 · 2022-09-15 06:13:07

215

Views

What goes wrong on this $u$-substitution?

Published on 15 Sep 2022 - 6:13

List Question

Are substitution instances for counterexamples in logic required to have unique descriptive terms?

Question regarding integration with substition for $\int \frac{\sin({\sqrt{x}})}{\sqrt{x}}dx$

Issues with integrating $\int x^2 \sqrt{x^3 +1}$ via integration by parts

Why can you not do $u$-sub on the integral of $\sqrt{1+x^2}$?

Evaluating $ \frac{24}{\pi}\int_0^\sqrt 2\frac{2-x^2}{(2+x^2)\sqrt{4+x^4}}\,\mathrm dx$

Convert the double integral $\int_{-T/2}^{T/2}\int_{-T/2}^{T/2}g(\alpha-\beta)d\alpha d\beta$ to a single integral with respect to $\tau=\alpha-\beta$

Fourier transform of a spectrum

Integrating $ -\frac{A}{4}\int_0^T \sin\left(\frac{2\pi t}{T} - \frac{4\pi \tau}{T}\right)d\tau $

Differentiating $\sec^{-1}(\sqrt{1+x^2})$ for $x \in (-1, 1)$

Derivative with respect to a modified independent variable

Using u-subsitution to integrate $ \int_{0}^{1} e^{3 x^{3}-2 x}\left(9 x^{2}-2\right) d x $

An ODE that is solved "apparently" correctly, but gives the wrong result

Understanding how to change of variables theorem appears in the u-substiution used in the integral $\int \tan(x)dx$

Doubts in solving $\int_0^1 x\sqrt{x+2} dx$

What goes wrong on this $u$-substitution?

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