Question

Proving Riemann Integrability of continuous function over compact interval

score 66 · Answer 1 · 2026-04-14 14:45:14

66

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Proving Riemann Integrability of continuous function over compact interval

Published on 14 Apr 2026 - 14:45

score 57 · Answer 2 · 2026-04-14 08:02:16

57

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Is this a sufficient proof of $\vdash \neg A \vee A \wedge B \equiv \neg A \vee B$?

Published on 14 Apr 2026 - 8:02

score 57 · Answer 3 · 2026-04-15 16:23:13

57

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Find general solution of $2x\cos^2(y)+(x^2+1)\sin(y)y'=0$

Published on 15 Apr 2026 - 16:23

score 82 · Answer 4 · 2026-04-14 17:33:10

82

Views

Given $f\colon\Bbb{R}^2\to\Bbb{R}$ such that $f'(A,(a,b))=ab+3b+4a$ find maximum derivative

Published on 14 Apr 2026 - 17:33

score 202 · Answer 5 · 2026-04-16 14:25:17

202

Views

prove $ g(x) = x^{5} - x$ is surjective.

Published on 16 Apr 2026 - 14:25

score 296 · Answer 6 · 2026-04-16 06:14:05

296

Views

Introduction to Set Theory, Hrbacek and Jech exercises 3.5.7 and 3.5.8

Published on 16 Apr 2026 - 6:14

score 152 · Answer 7 · 2026-04-11 01:52:29

152

Views

How loose are the terms "independent" and "dependent" variables?

Published on 11 Apr 2026 - 1:52

score 87 · Answer 8 · 2026-04-13 04:15:57

87

Views

Verification on extensions of continuous functions, smooth functions and smooth forms.

Published on 13 Apr 2026 - 4:15

score 172 · Answer 9 · 2026-04-13 11:56:54

172

Views

Is there a proof that $2^x - 3^y$ is always increasing?

Published on 13 Apr 2026 - 11:56

score 302 · Answer 10 · 2026-04-13 01:36:25

302

Views

Show that an interpolated polynomial is unique among all polynomials of degree at most $n$

Published on 13 Apr 2026 - 1:36

score 74 · Answer 11 · 2026-04-11 21:33:35

74

Views

Interior of a set property

Published on 11 Apr 2026 - 21:33

score 99 · Answer 12 · 2026-05-10 14:47:55

99

Views

Prove that $\varphi$ is an isomorphism.

Published on 10 May 2026 - 14:47

score 184 · Answer 13 · 2026-04-16 07:02:20

184

Views

Proof-Verification:$\left|\int_0^1 f(x)dx\right|\leq \frac{1}{2}\int_0^1 |f'(x)|dx.$

Published on 16 Apr 2026 - 7:02

score 4.7k · Answer 14 · 2026-05-10 19:46:12

4.7k

Views

What is wrong with this proof that symmetric matrices commute?

Published on 10 May 2026 - 19:46

score 35 · Answer 15 · 2026-04-15 01:28:32

35

Views

Solving for an exponential variable that can not be issolated through factorisation.

Published on 15 Apr 2026 - 1:28

List Question

Proving Riemann Integrability of continuous function over compact interval

Is this a sufficient proof of $\vdash \neg A \vee A \wedge B \equiv \neg A \vee B$?

Find general solution of $2x\cos^2(y)+(x^2+1)\sin(y)y'=0$

Given $f\colon\Bbb{R}^2\to\Bbb{R}$ such that $f'(A,(a,b))=ab+3b+4a$ find maximum derivative

prove $ g(x) = x^{5} - x$ is surjective.

Introduction to Set Theory, Hrbacek and Jech exercises 3.5.7 and 3.5.8

How loose are the terms "independent" and "dependent" variables?

Verification on extensions of continuous functions, smooth functions and smooth forms.

Is there a proof that $2^x - 3^y$ is always increasing?

Show that an interpolated polynomial is unique among all polynomials of degree at most $n$

Interior of a set property

Prove that $\varphi$ is an isomorphism.

Proof-Verification:$\left|\int_0^1 f(x)dx\right|\leq \frac{1}{2}\int_0^1 |f'(x)|dx.$

What is wrong with this proof that symmetric matrices commute?

Solving for an exponential variable that can not be issolated through factorisation.

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