Question

Which terms are used in context to mathematical proofs?

score 30 · Answer 1 · 2026-04-08 22:17:10

30

Views

Which terms are used in context to mathematical proofs?

Published on 08 Apr 2026 - 22:17

score 329 · Answer 2 · 2026-04-15 13:34:19

329

Views

In the triangle $\triangle ABC$, $|AB|^3 = |AC|^3 + |BC|^3$. Prove that $\angle ACB > 60^\circ$.

Published on 15 Apr 2026 - 13:34

score 1k · Answer 3 · 2026-04-12 07:35:10

1k

Views

Order of an element and $\mathbb{Z_n}$

Published on 12 Apr 2026 - 7:35

score 131 · Answer 4 · 2026-04-16 12:13:19

131

Views

Prove that if $\{7k:k\in{\mathbb Z}\}\subsetneq\{nm:m\in{\mathbb Z}\}$, then $n=1.$

Published on 16 Apr 2026 - 12:13

score 28 · Answer 5 · 2026-04-10 18:52:32

28

Views

What can be said about a function in this case?

Published on 10 Apr 2026 - 18:52

score 187 · Answer 6 · 2026-04-15 14:11:43

187

Views

Correct logical quantifier notation with greater than/less than relations

Published on 15 Apr 2026 - 14:11

score 482 · Answer 7 · 2026-04-16 08:27:20

482

Views

Find all integers n (positive, negative, or zero) so that $n^3 – 1$ is divisible by $n + 1$

Published on 16 Apr 2026 - 8:27

score 4.5k · Answer 8 · 2026-04-14 00:36:41

4.5k

Views

Proving $\frac{1}{ x^2}$ is not uniformly continuous on $(0,2]$

Published on 14 Apr 2026 - 0:36

score 54 · Answer 9 · 2026-04-12 23:30:05

54

Views

Error in finding $E(X^2)$ for the Poisson distribution

Published on 12 Apr 2026 - 23:30

score 99 · Answer 10 · 2026-04-16 19:13:17

99

Views

Finding the length of $HD$ in a cyclic right angled $\triangle BCD$ where $CF = 5$ and $FH = 3$ and $FG \perp BD$.

Published on 16 Apr 2026 - 19:13

score 178 · Answer 11 · 2026-04-11 18:49:25

178

Views

Proof for a question regarding order of $n$-tuples of real numbers

Published on 11 Apr 2026 - 18:49

score 79 · Answer 12 · 2026-04-10 09:31:22

79

Views

Proof for a prime number equation

Published on 10 Apr 2026 - 9:31

score 388 · Answer 13 · 2026-04-15 05:42:23

388

Views

Proving the upper bound of the ratio of product of odd n numbers to even n numbers?

Published on 15 Apr 2026 - 5:42

score 94 · Answer 14 · 2026-04-14 20:27:28

94

Views

Prove that the scale needs to be used atleast 3 times to determine the heaviest coin

Published on 14 Apr 2026 - 20:27

score 39 · Answer 15 · 2026-04-11 02:53:19

39

Views

Is this application of induction correct?

Published on 11 Apr 2026 - 2:53

List Question

Which terms are used in context to mathematical proofs?

In the triangle $\triangle ABC$, $|AB|^3 = |AC|^3 + |BC|^3$. Prove that $\angle ACB > 60^\circ$.

Order of an element and $\mathbb{Z_n}$

Prove that if $\{7k:k\in{\mathbb Z}\}\subsetneq\{nm:m\in{\mathbb Z}\}$, then $n=1.$

What can be said about a function in this case?

Correct logical quantifier notation with greater than/less than relations

Find all integers n (positive, negative, or zero) so that $n^3 – 1$ is divisible by $n + 1$

Proving $\frac{1}{ x^2}$ is not uniformly continuous on $(0,2]$

Error in finding $E(X^2)$ for the Poisson distribution

Finding the length of $HD$ in a cyclic right angled $\triangle BCD$ where $CF = 5$ and $FH = 3$ and $FG \perp BD$.

Proof for a question regarding order of $n$-tuples of real numbers

Proof for a prime number equation

Proving the upper bound of the ratio of product of odd n numbers to even n numbers?

Prove that the scale needs to be used atleast 3 times to determine the heaviest coin

Is this application of induction correct?

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