Question

Calculate integral with help the Euler's integrals

score 243 · Answer 1 · 2026-04-25 16:40:18

243

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Calculate integral with help the Euler's integrals

Published on 25 Apr 2026 - 16:40

score 101 · Answer 2 · 2026-05-10 21:16:00

101

Views

Is below subspace is connected?

Published on 10 May 2026 - 21:16

score 150 · Answer 3 · 2026-05-11 00:50:50

150

Views

Calculating the root of an almost polynomial expression.

Published on 11 May 2026 - 0:50

score 77 · Answer 4 · 2026-04-12 05:39:32

77

Views

Evaluating a double integral using Fubini's Theorem

Published on 12 Apr 2026 - 5:39

score 196 · Answer 5 · 2026-05-13 22:44:04

196

Views

Proof of the estimate $\;\| D^{2} u \|_{L^{p}}\sim \| \Delta u \|_{L^{p}}$ when $p>1$

Published on 13 May 2026 - 22:44

score 29 · Answer 6 · 2026-05-14 20:53:12

29

Views

Proving convexity of a $C^2$ function

Published on 14 May 2026 - 20:53

score 47 · Answer 7 · 2026-04-24 07:05:12

47

Views

Let $x_n=\frac{1}{3}+(\frac{2}{5})^2+(\frac{3}{7})^3+....(\frac{n}{2n+1})^2$ Is $(x_n) $cauchy sequence?

Published on 24 Apr 2026 - 7:05

score 73 · Answer 8 · 2026-04-16 08:02:02

73

Views

Differentiability in the origin of $f(x,y)=\frac{x^2\sin{y^2}}{x^2+y^4}$

Published on 16 Apr 2026 - 8:02

score 169 · Answer 9 · 2026-05-10 19:51:45

169

Views

If $\omega=x dy - y dx$ is a $1$-form, how do I compute $d\omega$?

Published on 10 May 2026 - 19:51

score 107 · Answer 10 · 2026-05-10 23:37:57

107

Views

Show that $\frac{1}{3}<\int_0^1\frac{1}{1+x+x^2} \, dx <\frac{\pi}{4}$

Published on 10 May 2026 - 23:37

score 57 · Answer 11 · 2026-04-24 05:17:40

57

Views

Evaluating $\sum\limits_{n=1}^\infty \frac{(-1)^{n+1}}{n}$

Published on 24 Apr 2026 - 5:17

score 501 · Answer 12 · 2026-04-18 02:58:28

501

Views

How can I get integrating factor for $y(2x-y-1)dx+x(2y-x-1)dy=0$

Published on 18 Apr 2026 - 2:58

score 173 · Answer 13 · 2026-04-14 17:40:43

173

Views

Disproving a misconception about Grandi's Sum

Published on 14 Apr 2026 - 17:40

score 49 · Answer 14 · 2026-05-15 10:26:29

49

Views

If $F$ is a closed subset of $[a,b]$ and length of $F$, $|F| = 0$ then is $F$ an empty set. True or False?

Published on 15 May 2026 - 10:26

score 63 · Answer 15 · 2026-05-16 19:01:28

63

Views

How to determine the convergence or divergence of this sequence without resort to the L'Hospital's rule?

Published on 16 May 2026 - 19:01

List Question

Calculate integral with help the Euler's integrals

Is below subspace is connected?

Calculating the root of an almost polynomial expression.

Evaluating a double integral using Fubini's Theorem

Proof of the estimate $\;\| D^{2} u \|_{L^{p}}\sim \| \Delta u \|_{L^{p}}$ when $p>1$

Proving convexity of a $C^2$ function

Let $x_n=\frac{1}{3}+(\frac{2}{5})^2+(\frac{3}{7})^3+....(\frac{n}{2n+1})^2$ Is $(x_n) $cauchy sequence?

Differentiability in the origin of $f(x,y)=\frac{x^2\sin{y^2}}{x^2+y^4}$

If $\omega=x dy - y dx$ is a $1$-form, how do I compute $d\omega$?

Show that $\frac{1}{3}<\int_0^1\frac{1}{1+x+x^2} \, dx <\frac{\pi}{4}$

Evaluating $\sum\limits_{n=1}^\infty \frac{(-1)^{n+1}}{n}$

How can I get integrating factor for $y(2x-y-1)dx+x(2y-x-1)dy=0$

Disproving a misconception about Grandi's Sum

If $F$ is a closed subset of $[a,b]$ and length of $F$, $|F| = 0$ then is $F$ an empty set. True or False?

How to determine the convergence or divergence of this sequence without resort to the L'Hospital's rule?

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