Question

De L'Hospital solution verification

score 33 · Answer 1 · 2026-04-15 17:31:06

33

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De L'Hospital solution verification

Published on 15 Apr 2026 - 17:31

score 22 · Answer 2 · 2026-04-29 12:48:42

22

Views

Holomorphic form in Alexandroff compactification of $\mathbb{C}$

Published on 29 Apr 2026 - 12:48

score 137 · Answer 3 · 2026-04-14 19:47:20

137

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Let $b \in [0,1)$. Prove that $\frac{b}{1-b} \in [0,\infty)$

Published on 14 Apr 2026 - 19:47

score 56 · Answer 4 · 2026-04-11 05:05:19

56

Views

Proof verification: Linear maps

Published on 11 Apr 2026 - 5:05

score 454 · Answer 5 · 2026-04-16 15:49:06

454

Views

If $A^m = 0$, then $\mbox{rank}(A) \leq \frac{m-1}{m}{n}$

Published on 16 Apr 2026 - 15:49

score 121 · Answer 6 · 2026-04-14 08:30:35

121

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Write down an expression in the form $ax^n$ for: $\lim_{h\to 0} \frac{\sqrt{x+h}-\sqrt{x}}{h}$

Published on 14 Apr 2026 - 8:30

score 188 · Answer 7 · 2026-04-17 14:36:29

188

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Prove that for every real number $x$, if $|x-3|>3$ then $x^2>6x$.

Published on 17 Apr 2026 - 14:36

score 69 · Answer 8 · 2026-04-13 18:13:51

69

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Prove that $a+ib \neq 0 \implies a^2 +b^2 \neq 0$.

Published on 13 Apr 2026 - 18:13

score 819 · Answer 9 · 2026-04-15 04:57:15

819

Views

Divergence of a vector field on a riemannian manifold

Published on 15 Apr 2026 - 4:57

score 1.1k · Answer 10 · 2026-04-13 19:46:35

1.1k

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Differentiation + integration: how to solve for acceleration and displacement given a specific velocity time graph?

Published on 13 Apr 2026 - 19:46

score 99 · Answer 11 · 2026-04-15 19:45:20

99

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A group homomorphism $\phi: G \rightarrow H$ induces isomorphisms w.r.t intersection and join between $\mathcal G$ and $\mathcal H$

Published on 15 Apr 2026 - 19:45

score 43 · Answer 12 · 2026-04-15 20:15:15

43

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If $V_{1} \subset V \subset V_1 + V_2\subset \mathbb{R}^{n}$. Is it true $V = V \cap V_{1} + V \cap V_2$?

Published on 15 Apr 2026 - 20:15

score 172 · Answer 13 · 2026-04-15 19:56:30

172

Views

Prove that for all real numbers $a$ and $b$, $|a|\leq b$ iff $-b\leq a\leq b$.

Published on 15 Apr 2026 - 19:56

score 94 · Answer 14 · 2026-04-17 09:20:43

94

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If $B$ is a $C^*$-subalgebra of $A$, then $\sigma_A(b) \cup \{0\} = \sigma_B(b) \cup \{0\}$

Published on 17 Apr 2026 - 9:20

score 49 · Answer 15 · 2026-04-15 12:22:26

49

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Integration: find as an exact value the enclosed area between $y=\frac{3x}{5π}$ and the curve $y=\sin x$ for $0≤x≤π$ shown shaded in the diagram.

Published on 15 Apr 2026 - 12:22

List Question

De L'Hospital solution verification

Holomorphic form in Alexandroff compactification of $\mathbb{C}$

Let $b \in [0,1)$. Prove that $\frac{b}{1-b} \in [0,\infty)$

Proof verification: Linear maps

If $A^m = 0$, then $\mbox{rank}(A) \leq \frac{m-1}{m}{n}$

Write down an expression in the form $ax^n$ for: $\lim_{h\to 0} \frac{\sqrt{x+h}-\sqrt{x}}{h}$

Prove that for every real number $x$, if $|x-3|>3$ then $x^2>6x$.

Prove that $a+ib \neq 0 \implies a^2 +b^2 \neq 0$.

Divergence of a vector field on a riemannian manifold

Differentiation + integration: how to solve for acceleration and displacement given a specific velocity time graph?

A group homomorphism $\phi: G \rightarrow H$ induces isomorphisms w.r.t intersection and join between $\mathcal G$ and $\mathcal H$

If $V_{1} \subset V \subset V_1 + V_2\subset \mathbb{R}^{n}$. Is it true $V = V \cap V_{1} + V \cap V_2$?

Prove that for all real numbers $a$ and $b$, $|a|\leq b$ iff $-b\leq a\leq b$.

If $B$ is a $C^*$-subalgebra of $A$, then $\sigma_A(b) \cup \{0\} = \sigma_B(b) \cup \{0\}$

Integration: find as an exact value the enclosed area between $y=\frac{3x}{5π}$ and the curve $y=\sin x$ for $0≤x≤π$ shown shaded in the diagram.

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