Question

Is my derivation of the tetrahedral bond angle correct?

score 85 · Answer 1 · 2026-05-11 04:19:33

85

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Is my derivation of the tetrahedral bond angle correct?

Published on 11 May 2026 - 4:19

score 105 · Answer 2 · 2026-04-11 22:21:06

105

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Proof Verification: Euclid's Lemma

Published on 11 Apr 2026 - 22:21

score 132 · Answer 3 · 2026-04-13 18:09:07

132

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Exercise 2.28 of the book "Mathemathical Proof: A Transition to advanced mathematics (4th edition)"

Published on 13 Apr 2026 - 18:09

score 27 · Answer 4 · 2026-04-14 09:53:14

27

Views

How can I verify that I have all solutions of a system of equations with absolute values

Published on 14 Apr 2026 - 9:53

score 113 · Answer 5 · 2026-05-11 04:15:28

113

Views

Intersection of a certain ellipsoid with a given plane

Published on 11 May 2026 - 4:15

score 34 · Answer 6 · 2026-04-17 15:57:14

34

Views

Proof of uniform convergence (specific case)

Published on 17 Apr 2026 - 15:57

score 113 · Answer 7 · 2026-04-14 10:36:04

113

Views

A ladybug is moving with velocity vector $v$. At what rate is the sum of her distances from two points decreasing at a certain moment?

Published on 14 Apr 2026 - 10:36

score 212 · Answer 8 · 2026-04-14 02:37:14

212

Views

What do the fixed points and symmetry of $f(x) = \frac {ax +b} {cx + d}$ tell us? Geometry, symmetry, and limits.

Published on 14 Apr 2026 - 2:37

score 158 · Answer 9 · 2026-04-16 07:19:16

158

Views

Solving and checking a first order Bernoulli differential equation: $\dfrac{\mathrm{d}y}{\mathrm{d}x} + y = y^2 $

Published on 16 Apr 2026 - 7:19

score 77 · Answer 10 · 2026-04-16 02:53:57

77

Views

Proving that every group of order a power of a prime has an element of order $p$

Published on 16 Apr 2026 - 2:53

score 40 · Answer 11 · 2026-04-16 15:48:40

40

Views

F is differentiable and satisfies this inequality, prove that its partial derivatives do exist and that they are continous

Published on 16 Apr 2026 - 15:48

score 37 · Answer 12 · 2026-04-16 04:36:28

37

Views

Brezis' exercise 6.18.9: determine $E V (S_r \circ M)$

Published on 16 Apr 2026 - 4:36

score 62 · Answer 13 · 2026-04-16 03:36:24

62

Views

Prove $\sum_{n=1}^{\infty}n2^{-\frac{n^2+x^2}{n} }\sin{(nx)}$ is uniformly convergent

Published on 16 Apr 2026 - 3:36

score 68 · Answer 14 · 2026-04-16 03:12:06

68

Views

Show that $P(|X_n| > an \text{ for infinitely many } n) = 1$ for any $a > 0$ with $E[|X_n|] = ∞$

Published on 16 Apr 2026 - 3:12

score 30 · Answer 15 · 2026-04-14 15:17:33

30

Views

Independence and correlation in Uniformly Distributed Ellipse

Published on 14 Apr 2026 - 15:17

List Question

Is my derivation of the tetrahedral bond angle correct?

Proof Verification: Euclid's Lemma

Exercise 2.28 of the book "Mathemathical Proof: A Transition to advanced mathematics (4th edition)"

How can I verify that I have all solutions of a system of equations with absolute values

Intersection of a certain ellipsoid with a given plane

Proof of uniform convergence (specific case)

A ladybug is moving with velocity vector $v$. At what rate is the sum of her distances from two points decreasing at a certain moment?

What do the fixed points and symmetry of $f(x) = \frac {ax +b} {cx + d}$ tell us? Geometry, symmetry, and limits.

Solving and checking a first order Bernoulli differential equation: $\dfrac{\mathrm{d}y}{\mathrm{d}x} + y = y^2 $

Proving that every group of order a power of a prime has an element of order $p$

F is differentiable and satisfies this inequality, prove that its partial derivatives do exist and that they are continous

Brezis' exercise 6.18.9: determine $E V (S_r \circ M)$

Prove $\sum_{n=1}^{\infty}n2^{-\frac{n^2+x^2}{n} }\sin{(nx)}$ is uniformly convergent

Show that $P(|X_n| > an \text{ for infinitely many } n) = 1$ for any $a > 0$ with $E[|X_n|] = ∞$

Independence and correlation in Uniformly Distributed Ellipse

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