List questions from solution-verification

Published on 12 Apr 2026 - 17:01

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Is my method correct to check if three point lie on a line in euclidean co-ordinates

Published on 25 Mar 2026 - 23:10

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Determine the mapping matrix $A=M_B^B$ with the base $B=(1,t,t^2,t^3)$

Published on 16 Apr 2026 - 22:40

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Existence of at most one matrix $A \in M_{2,3}(\mathbb{R})$ such that $BA =\operatorname{diag}(1,1,0).$

Published on 13 Apr 2026 - 3:10

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Subspace is reducing iff $PT\subset TP$

Published on 14 Apr 2026 - 19:34

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Theorem 6, Section 1.3 of Hungerford’s Abstract Algebra

Published on 11 Apr 2026 - 16:48

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distance between the uniform empirical process and time-rescaled uniform quantile process always less than $n^{-1/2}$

Published on 09 Apr 2026 - 8:26

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Discrete topology on X, sequences, filters.

Published on 15 Apr 2026 - 9:44

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Putnam 2022 B1 Solution verification

Published on 16 Apr 2026 - 15:18

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Line Element on a Sin Function

Published on 14 Apr 2026 - 2:48

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Show that cont$(f(x)g(x))=$cont$(f(x))$cont$(g(x))$

Published on 15 Apr 2026 - 3:53

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Show that if $f(x) \in \mathbb Z \left[x\right]$ then $f(x)$ factors into a product of two polynomials $\mathbb Q \left[x\right]$ is equivalent to

Published on 15 Apr 2026 - 11:12

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$f(U_{\alpha \in I} X_\alpha) = U_{\alpha \in I} f(X_\alpha)$

Published on 13 Apr 2026 - 6:25

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Convergence of Sequence in $\mathbb{C}$

Published on 16 Apr 2026 - 6:26

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proof by contraction of exercise $13.11.8.b$ in Tom Apostol's calculus

Published on 16 Apr 2026 - 3:28

List Question

Can we prove that there only exists one $\tau$ for this equation?

Is my method correct to check if three point lie on a line in euclidean co-ordinates

Determine the mapping matrix $A=M_B^B$ with the base $B=(1,t,t^2,t^3)$

Existence of at most one matrix $A \in M_{2,3}(\mathbb{R})$ such that $BA =\operatorname{diag}(1,1,0).$

Subspace is reducing iff $PT\subset TP$

Theorem 6, Section 1.3 of Hungerford’s Abstract Algebra

distance between the uniform empirical process and time-rescaled uniform quantile process always less than $n^{-1/2}$

Discrete topology on X, sequences, filters.

Putnam 2022 B1 Solution verification

Line Element on a Sin Function

Show that cont$(f(x)g(x))=$cont$(f(x))$cont$(g(x))$

Show that if $f(x) \in \mathbb Z \left[x\right]$ then $f(x)$ factors into a product of two polynomials $\mathbb Q \left[x\right]$ is equivalent to

$f(U_{\alpha \in I} X_\alpha) = U_{\alpha \in I} f(X_\alpha)$

Convergence of Sequence in $\mathbb{C}$

proof by contraction of exercise $13.11.8.b$ in Tom Apostol's calculus

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