Question

Calculating the harmonic mean of $a,b$ problems with fractions

score 52 · Answer 1 · 2026-04-13 22:25:26

52

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Calculating the harmonic mean of $a,b$ problems with fractions

Published on 13 Apr 2026 - 22:25

score 53 · Answer 2 · 2026-04-16 12:23:13

53

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Proving $k(G) \leq k'(G) $ where $k(G)$ is the minumum vertex cut and $k'(G)$ is minimum edge cut.

Published on 16 Apr 2026 - 12:23

score 32 · Answer 3 · 2026-04-14 00:18:05

32

Views

Algebra simplification involving power

Published on 14 Apr 2026 - 0:18

score 69 · Answer 4 · 2026-04-12 03:10:57

69

Views

Proof verification: $\left(\bigcap_{i}A_i\right)^\mathsf{c}=\bigcup_{i}A_i^\mathsf{c}$

Published on 12 Apr 2026 - 3:10

score 151 · Answer 5 · 2026-04-10 23:55:52

151

Views

Proof verification (formal logic): $U = \emptyset \vdash \forall A ( U \subseteq A)$

Published on 10 Apr 2026 - 23:55

score 324 · Answer 6 · 2026-04-09 21:59:32

324

Views

Conway - Chapter $7$ - Section $4$ - Exercise $1$

Published on 09 Apr 2026 - 21:59

score 277 · Answer 7 · 2026-04-14 21:20:40

277

Views

No rational supremum proof

Published on 14 Apr 2026 - 21:20

score 163 · Answer 8 · 2026-04-16 21:46:34

163

Views

Let $d(n)$ be number of positive divisors of $n$, if $d(n) = n$ then $n$ = 1 or 2.

Published on 16 Apr 2026 - 21:46

score 72 · Answer 9 · 2026-04-29 14:20:20

72

Views

Need help checking and verifying that my proofs are correct.

Published on 29 Apr 2026 - 14:20

score 66 · Answer 10 · 2026-04-29 14:22:43

66

Views

Check Proof of total orders are maximal orders

Published on 29 Apr 2026 - 14:22

score 159 · Answer 11 · 2026-04-14 04:33:04

159

Views

Proof of Lusin's Theorem with the characteristic function

Published on 14 Apr 2026 - 4:33

score 102 · Answer 12 · 2026-04-14 13:27:10

102

Views

If $f$ is continuous on $\mathbb R$ and limits to $\infty$ ,$-\infty$ exist, prove that $f$ is uniformly continuous

Published on 14 Apr 2026 - 13:27

score 38 · Answer 13 · 2026-04-16 03:40:48

38

Views

Integral $\lvert x(t) \rvert^2$ implies integral $\lvert x(t) \rvert$ and vice versa - Proof

Published on 16 Apr 2026 - 3:40

score 663 · Answer 14 · 2026-04-16 13:14:22

663

Views

Find the value of $a$ such that $F(a)=\int^{\frac \pi 2}_{0}{|\sin x-a\cos x|} \space dx$ is minimised

Published on 16 Apr 2026 - 13:14

score 37 · Answer 15 · 2026-04-10 00:02:27

37

Views

Is my logic about proving an immersion correct?

Published on 10 Apr 2026 - 0:02

List Question

Calculating the harmonic mean of $a,b$ problems with fractions

Proving $k(G) \leq k'(G) $ where $k(G)$ is the minumum vertex cut and $k'(G)$ is minimum edge cut.

Algebra simplification involving power

Proof verification: $\left(\bigcap_{i}A_i\right)^\mathsf{c}=\bigcup_{i}A_i^\mathsf{c}$

Proof verification (formal logic): $U = \emptyset \vdash \forall A ( U \subseteq A)$

Conway - Chapter $7$ - Section $4$ - Exercise $1$

No rational supremum proof

Let $d(n)$ be number of positive divisors of $n$, if $d(n) = n$ then $n$ = 1 or 2.

Need help checking and verifying that my proofs are correct.

Check Proof of total orders are maximal orders

Proof of Lusin's Theorem with the characteristic function

If $f$ is continuous on $\mathbb R$ and limits to $\infty$ ,$-\infty$ exist, prove that $f$ is uniformly continuous

Integral $\lvert x(t) \rvert^2$ implies integral $\lvert x(t) \rvert$ and vice versa - Proof

Find the value of $a$ such that $F(a)=\int^{\frac \pi 2}_{0}{|\sin x-a\cos x|} \space dx$ is minimised

Is my logic about proving an immersion correct?

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