Question

Determining Spanning Set, Basis and Dimension

score 18 · Answer 1 · 2026-04-13 03:50:48

18

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Determining Spanning Set, Basis and Dimension

Published on 13 Apr 2026 - 3:50

score 39 · Answer 2 · 2026-04-16 06:26:17

39

Views

Convergence of Cesaro mean - is this proof correct?

Published on 16 Apr 2026 - 6:26

score 69 · Answer 3 · 2026-04-13 11:42:19

69

Views

Proof Check for the Property of Dense subsets of Irreducible sets

Published on 13 Apr 2026 - 11:42

score 266 · Answer 4 · 2026-05-05 12:21:35

266

Views

Solve for $x$ correct to $3$ decimal places: $27=\frac{1}{6^x}$

Published on 05 May 2026 - 12:21

score 381 · Answer 5 · 2026-04-12 05:18:30

381

Views

Proof Check: Equivalence of Riemann and Darboux Integrals

Published on 12 Apr 2026 - 5:18

score 143 · Answer 6 · 2026-04-12 10:44:07

143

Views

Is my solution ok? Exercise 6 on p.46 in Exercises 2C in "Measure, Integration & Real Analysis" by Sheldon Axler.

Published on 12 Apr 2026 - 10:44

score 169 · Answer 7 · 2026-05-04 20:17:52

169

Views

Solution Verification of Exercise 1.1.2 Algebraic Topology Hatcher

Published on 04 May 2026 - 20:17

score 318 · Answer 8 · 2026-04-16 11:46:44

318

Views

Solving the PDE $ \frac{\partial^2}{\partial t^2}\Phi(t,x)=-\frac{x}{t} \frac{\partial}{\partial x}\Phi(t,x) $

Published on 16 Apr 2026 - 11:46

score 373 · Answer 9 · 2026-04-15 16:27:01

373

Views

The number of ways of placing 4 blue beads, 3 yellow beads, and 1 green bead on a circular necklace.

Published on 15 Apr 2026 - 16:27

score 48 · Answer 10 · 2026-04-15 05:16:53

48

Views

Check the continuity and the differentiability of a function of two variables

Published on 15 Apr 2026 - 5:16

score 97 · Answer 11 · 2026-05-05 12:20:50

97

Views

Solving for y in $\log_5(3y)+\log_5(9)=\log_5(405)$

Published on 05 May 2026 - 12:20

score 147 · Answer 12 · 2026-04-13 20:09:50

147

Views

Use natural deduction to prove ((¬P ∧ ¬Q) → ¬(P ∨ Q)) using primitive rules only

Published on 13 Apr 2026 - 20:09

score 126 · Answer 13 · 2026-04-16 05:32:53

126

Views

The cubic $x^3+ax^2+bx+c$ has three distinct zeros in GP and the reciprocal of these zeros are in AP then prove that $2b^2+3ac=0$

Published on 16 Apr 2026 - 5:32

score 78 · Answer 14 · 2026-04-10 22:36:39

78

Views

Proof Check: If $\phi_H=\{xH\mid hxH=xH, \forall h\in H\}$ and $N=\{g\in G| gHg^{-1}=H\}$ Prove: $|\phi_H|=(N:H)$

Published on 10 Apr 2026 - 22:36

score 82 · Answer 15 · 2026-04-15 18:49:27

82

Views

If $f_n(x)$ uniformly converges to a bounded function $f(x)$, then $f_n(x)$ is bounded for all $n \in \Bbb{N^+}$ ？

Published on 15 Apr 2026 - 18:49

List Question

Determining Spanning Set, Basis and Dimension

Convergence of Cesaro mean - is this proof correct?

Proof Check for the Property of Dense subsets of Irreducible sets

Solve for $x$ correct to $3$ decimal places: $27=\frac{1}{6^x}$

Proof Check: Equivalence of Riemann and Darboux Integrals

Is my solution ok? Exercise 6 on p.46 in Exercises 2C in "Measure, Integration & Real Analysis" by Sheldon Axler.

Solution Verification of Exercise 1.1.2 Algebraic Topology Hatcher

Solving the PDE $ \frac{\partial^2}{\partial t^2}\Phi(t,x)=-\frac{x}{t} \frac{\partial}{\partial x}\Phi(t,x) $

The number of ways of placing 4 blue beads, 3 yellow beads, and 1 green bead on a circular necklace.

Check the continuity and the differentiability of a function of two variables

Solving for y in $\log_5(3y)+\log_5(9)=\log_5(405)$

Use natural deduction to prove ((¬P ∧ ¬Q) → ¬(P ∨ Q)) using primitive rules only

The cubic $x^3+ax^2+bx+c$ has three distinct zeros in GP and the reciprocal of these zeros are in AP then prove that $2b^2+3ac=0$

Proof Check: If $\phi_H=\{xH\mid hxH=xH, \forall h\in H\}$ and $N=\{g\in G| gHg^{-1}=H\}$ Prove: $|\phi_H|=(N:H)$

If $f_n(x)$ uniformly converges to a bounded function $f(x)$, then $f_n(x)$ is bounded for all $n \in \Bbb{N^+}$ ？

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