Question

Symbol to show if a is greater than, less than, or equal to b?

score 981 · Answer 1 · 2026-04-15 09:30:15

981

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Symbol to show if a is greater than, less than, or equal to b?

Published on 15 Apr 2026 - 9:30

score 127 · Answer 2 · 2026-04-09 08:26:06

127

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How to Prove It - Ch2 Sec 2 Exercise 2a

Published on 09 Apr 2026 - 8:26

score 1k · Answer 3 · 2026-04-18 09:57:27

1k

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Proof that $\sin {x}$ is infinitely continuously differentiable over $[m,n]$

Published on 18 Apr 2026 - 9:57

score 59 · Answer 4 · 2026-04-11 12:35:41

59

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Proof on unitary diagonalisable matrices

Published on 11 Apr 2026 - 12:35

score 419 · Answer 5 · 2026-04-08 18:15:31

419

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The importance of the different method of proofs?

Published on 08 Apr 2026 - 18:15

score 213 · Answer 6 · 2026-04-14 05:47:47

213

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Show that a matrix is diagonal

Published on 14 Apr 2026 - 5:47

score 592 · Answer 7 · 2026-04-13 00:27:09

592

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Proof verification: Prove that the product of $2$ real negative numbers is positive.

Published on 13 Apr 2026 - 0:27

score 1.5k · Answer 8 · 2026-04-16 00:26:38

1.5k

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Proof that any sequence in $\mathbb{C}^k$ converges iff each component sequence converges.

Published on 16 Apr 2026 - 0:26

score 269 · Answer 9 · 2026-04-15 11:33:35

269

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Sum of binomial coefficients, with alternate signs, congruent two or zero modulo four

Published on 15 Apr 2026 - 11:33

score 222 · Answer 10 · 2026-04-12 10:31:51

222

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Proof that spectrum of a matrix is subset of the positive real numbers

Published on 12 Apr 2026 - 10:31

score 248 · Answer 11 · 2026-04-13 23:12:43

248

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Integer solutions to cubic equation

Published on 13 Apr 2026 - 23:12

score 89 · Answer 12 · 2026-04-13 09:09:53

89

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Show that $m\in M$ is unique

Published on 13 Apr 2026 - 9:09

score 442 · Answer 13 · 2026-04-15 11:52:14

442

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Proving that the arithmetic and geometric means of a collection of non-negative numbers lies between their minimum and maximum values

Published on 15 Apr 2026 - 11:52

score 36 · Answer 14 · 2026-04-15 19:49:12

Suppose the logical expression $(((\neg$ $P$) $\leftrightarrow$ $Q$) $\rightarrow$ $R$) $\vee$ ($P$ $\leftrightarrow$ $R$) is FALSE.

score 1.1k · Answer 15 · 2026-04-15 17:59:41

1.1k

Views

Proof of $\sum_{k=0}^m \binom{n}{k}(-1)^k = (-1)^m \binom{n-1}{m}$ for $n > m \geq 0$

Published on 15 Apr 2026 - 17:59

List Question

Symbol to show if a is greater than, less than, or equal to b?

How to Prove It - Ch2 Sec 2 Exercise 2a

Proof that $\sin {x}$ is infinitely continuously differentiable over $[m,n]$

Proof on unitary diagonalisable matrices

The importance of the different method of proofs?

Show that a matrix is diagonal

Proof verification: Prove that the product of $2$ real negative numbers is positive.

Proof that any sequence in $\mathbb{C}^k$ converges iff each component sequence converges.

Sum of binomial coefficients, with alternate signs, congruent two or zero modulo four

Proof that spectrum of a matrix is subset of the positive real numbers

Integer solutions to cubic equation

Show that $m\in M$ is unique

Proving that the arithmetic and geometric means of a collection of non-negative numbers lies between their minimum and maximum values

Suppose the logical expression $(((\neg$ $P$) $\leftrightarrow$ $Q$) $\rightarrow$ $R$) $\vee$ ($P$ $\leftrightarrow$ $R$) is FALSE.

Proof of $\sum_{k=0}^m \binom{n}{k}(-1)^k = (-1)^m \binom{n-1}{m}$ for $n > m \geq 0$

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