Question

Question about proving the product rule

score 93 · Answer 1 · 2026-04-17 10:49:43

93

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Question about proving the product rule

Published on 17 Apr 2026 - 10:49

score 5.3k · Answer 2 · 2026-04-14 01:21:04

5.3k

Views

Prove function is not differentiable even though all directional derivatives exist and it is continuous.

Published on 14 Apr 2026 - 1:21

score 400 · Answer 3 · 2026-04-29 12:25:54

400

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Question about norm of bilinear form

Published on 29 Apr 2026 - 12:25

score 6.1k · Answer 4 · 2026-04-10 01:55:27

6.1k

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How can we come up with the definition of natural logarithm?

Published on 10 Apr 2026 - 1:55

score 62 · Answer 5 · 2026-04-10 19:36:08

62

Views

How do I rewrite $\int {dx\over \sqrt x\log x}$ in with $u$-substitution?

Published on 10 Apr 2026 - 19:36

score 110 · Answer 6 · 2026-04-17 11:05:31

110

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Finding $\lim_{n\to \infty} \frac {nr^2}{2}\cdot \sin \left(\frac {2\pi}{n}\right)$

Published on 17 Apr 2026 - 11:05

score 70 · Answer 7 · 2026-04-19 12:56:41

70

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Show that $\ x_n$ is correctly defined if $2^{x_n}+3^{x_n}= n$

Published on 19 Apr 2026 - 12:56

score 53 · Answer 8 · 2026-04-29 12:54:03

53

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Given $\alpha(x,y,z) = \alpha_1\hat x +\alpha_2 \hat y+\alpha_3 \hat z$, how to write in the coordinates $\hat r, \hat \theta, \hat \phi$

Published on 29 Apr 2026 - 12:54

score 674 · Answer 9 · 2026-04-29 12:54:39

674

Views

Surface integral of sphere within a paraboloid in spherical coordinates

Published on 29 Apr 2026 - 12:54

score 49 · Answer 10 · 2026-04-17 07:14:56

49

Views

How to show that $\cos(x_0)\leq \cos(x)+(x-x_0)\left[\sin(x_0)+\frac{(x-x_0)}{2}\right]$?

Published on 17 Apr 2026 - 7:14

score 4.3k · Answer 11 · 2026-04-14 23:42:17

4.3k

Views

Differential equation: capacitor

Published on 14 Apr 2026 - 23:42

score 79 · Answer 12 · 2026-04-15 14:41:50

79

Views

Which infinite series is this - $\sum_{n=1}^{\infty} n^{p}x^n$

Published on 15 Apr 2026 - 14:41

score 79 · Answer 13 · 2026-04-11 06:27:37

79

Views

Is my proof in calculus correct?

Published on 11 Apr 2026 - 6:27

score 39 · Answer 14 · 2026-04-12 10:28:18

39

Views

Volume of solid revolution against a line

Published on 12 Apr 2026 - 10:28

score 50 · Answer 15 · 2026-04-12 02:09:04

50

Views

Changing to $\frac00$ form

Published on 12 Apr 2026 - 2:09

List Question

Question about proving the product rule

Prove function is not differentiable even though all directional derivatives exist and it is continuous.

Question about norm of bilinear form

How can we come up with the definition of natural logarithm?

How do I rewrite $\int {dx\over \sqrt x\log x}$ in with $u$-substitution?

Finding $\lim_{n\to \infty} \frac {nr^2}{2}\cdot \sin \left(\frac {2\pi}{n}\right)$

Show that $\ x_n$ is correctly defined if $2^{x_n}+3^{x_n}= n$

Given $\alpha(x,y,z) = \alpha_1\hat x +\alpha_2 \hat y+\alpha_3 \hat z$, how to write in the coordinates $\hat r, \hat \theta, \hat \phi$

Surface integral of sphere within a paraboloid in spherical coordinates

How to show that $\cos(x_0)\leq \cos(x)+(x-x_0)\left[\sin(x_0)+\frac{(x-x_0)}{2}\right]$?

Differential equation: capacitor

Which infinite series is this - $\sum_{n=1}^{\infty} n^{p}x^n$

Is my proof in calculus correct?

Volume of solid revolution against a line

Changing to $\frac00$ form

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