Question

What set does following statement define?

score 59 · Answer 1 · 2026-04-09 14:50:56

59

Views

What set does following statement define?

Published on 09 Apr 2026 - 14:50

score 297 · Answer 2 · 2026-04-11 02:31:47

297

Views

When to use permutations/combination formulas and how to deal with special cases involving them?

Published on 11 Apr 2026 - 2:31

score 2.1k · Answer 3 · 2026-04-14 02:21:14

2.1k

Views

Express Negation in Simple English: There is a student in this class who has chatted with exactly one other student

Published on 14 Apr 2026 - 2:21

score 38 · Answer 4 · 2026-04-13 03:54:49

38

Views

Discrete mathematics solving recurrence relation with param

Published on 13 Apr 2026 - 3:54

score 69 · Answer 5 · 2026-04-14 11:01:27

69

Views

Is there any way to find out total number of simple graphs of given sequence?

Published on 14 Apr 2026 - 11:01

score 239 · Answer 6 · 2026-04-15 18:50:36

239

Views

If $G$ is a bipartite Euler and Hamiltonian graph, prove that complement of $G$, $\bar G$ is not Eulers.

Published on 15 Apr 2026 - 18:50

score 69 · Answer 7 · 2026-04-17 09:09:22

69

Views

The sequence $(a_n)_{n ∈ N}$ is given with $a_1=1$, $a_2=13$ and $a_{n+2}=a_{n+1}+6a_n$

Published on 17 Apr 2026 - 9:09

score 68 · Answer 8 · 2026-03-25 22:05:36

68

Views

Prove by induction $(n+1) + (n + 2) +\dots + (2n - 1 ) + (2n) = \frac{n(3n + 1)}{2}$, $n \geq 1$

Published on 25 Mar 2026 - 22:05

score 222 · Answer 9 · 2026-04-14 11:26:34

222

Views

Could a graph of order $n >2$ with two vertices of degree $n-1$ be a tree?

Published on 14 Apr 2026 - 11:26

score 331 · Answer 10 · 2026-04-14 00:26:54

331

Views

Prove for any positive integer $n$, $(4n)!$ is divisible by $2^{3n}\cdot 3^n$

Published on 14 Apr 2026 - 0:26

score 51 · Answer 11 · 2026-04-17 15:39:38

51

Views

Image of $f: A\to B$, $\;f(x)=|x/2|$, for $x\in \mathbb Q$ such that $-12\leq x\leq 4$.

Published on 17 Apr 2026 - 15:39

score 137 · Answer 12 · 2026-04-13 14:20:24

137

Views

How to find number of simple non-isomorphic graphs for a given sequence?

Published on 13 Apr 2026 - 14:20

score 76 · Answer 13 · 2026-04-13 06:30:59

76

Views

Proving Stirling numbers

Published on 13 Apr 2026 - 6:30

score 32 · Answer 14 · 2026-04-10 09:08:43

32

Views

What is meant by “relation between sets” in this question?

Published on 10 Apr 2026 - 9:08

score 4k · Answer 15 · 2026-04-14 12:42:23

4k

Views

Showing that (A⊕B)⊕B is equal to A

Published on 14 Apr 2026 - 12:42

List Question

What set does following statement define?

When to use permutations/combination formulas and how to deal with special cases involving them?

Express Negation in Simple English: There is a student in this class who has chatted with exactly one other student

Discrete mathematics solving recurrence relation with param

Is there any way to find out total number of simple graphs of given sequence?

If $G$ is a bipartite Euler and Hamiltonian graph, prove that complement of $G$, $\bar G$ is not Eulers.

The sequence $(a_n)_{n ∈ N}$ is given with $a_1=1$, $a_2=13$ and $a_{n+2}=a_{n+1}+6a_n$

Prove by induction $(n+1) + (n + 2) +\dots + (2n - 1 ) + (2n) = \frac{n(3n + 1)}{2}$, $n \geq 1$

Could a graph of order $n >2$ with two vertices of degree $n-1$ be a tree?

Prove for any positive integer $n$, $(4n)!$ is divisible by $2^{3n}\cdot 3^n$

Image of $f: A\to B$, $\;f(x)=|x/2|$, for $x\in \mathbb Q$ such that $-12\leq x\leq 4$.

How to find number of simple non-isomorphic graphs for a given sequence?

Proving Stirling numbers

What is meant by “relation between sets” in this question?

Showing that (A⊕B)⊕B is equal to A

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