nothing but math proofs
4.86K subscribers
8:20
Another way of factoring trinomials .
nothing but math proofs
2.8K views • 2 months ago
20:03
Po-Shen Loh way of solving quadratic equations .
nothing but math proofs
20 views • 2 months ago
15:52
There is no simple group of order 132 .
nothing but math proofs
33 views • 3 months ago
21:27
There is no simple group of order pqr .
nothing but math proofs
37 views • 3 months ago
35:09
Using Sylow's theorems we show that there is no non-abelian, simple group of size 90 .
nothing but math proofs
1.4K views • 3 months ago
9:42
If G is a p group, then Z(G) is non trivial .
nothing but math proofs
24 views • 3 months ago
11:57
If |G| = p^2, then G is abelian .
nothing but math proofs
11 views • 3 months ago
12:36
A finite integral domain is a field .
nothing but math proofs
28 views • 4 months ago
12:09
Basic properties of a ring .
nothing but math proofs
18 views • 4 months ago
5:55
A commutative ring is an integral domain iff it has the cancellation law .
nothing but math proofs
21 views • 4 months ago
3:59
If for every x in the ring R, x^2=x then R must be commutative .
nothing but math proofs
63 views • 4 months ago
44:03
Proof of Sylow 1st Theorem .
nothing but math proofs
1.7K views • 4 months ago
18:21
Sums & Differences of Trig Functions .
nothing but math proofs
12 views • 4 months ago
6:26
We show another proof about mappings .
nothing but math proofs
12 views • 4 months ago
6:46
We show that two special mappings commute .
nothing but math proofs
11 views • 4 months ago
8:14
Proof about mappings .
nothing but math proofs
14 views • 4 months ago
13:00
Proof that S_n has a normal subgroup of index 2 .
nothing but math proofs
13 views • 4 months ago
18:27
Every group is isomorphic to a subgroup of A(S) for some appropriate S .
nothing but math proofs
2.4K views • 4 months ago
17:23
Proof of major homomorphism theorem .
nothing but math proofs
14 views • 4 months ago
6:45
Let G be a group and Phi an automorphism of G. If a in G has order o(a), then o(phi(a)) is o(a) .
nothing but math proofs
54 views • 4 months ago
22:58
Cauchy's Theorem for Abelian Groups .
nothing but math proofs
4 views • 4 months ago
24:25
All groups of order 9 are abelian .
nothing but math proofs
81 views • 4 months ago
11:07
Fact about homomorphisms .
nothing but math proofs
12 views • 4 months ago
4:14
If G is abelian and if H is any subgroup of G, then G/H is abelian .
nothing but math proofs
11 views • 4 months ago
13:10
If N and M are normal subgroups of G, then NM/M = N/(NnM) .
nothing but math proofs
173 views • 4 months ago
4:15
If H is a subgroup of G and N(H)= {g in G| gHg-1=H}, then N(H) is a subgroup go G .
nothing but math proofs
29 views • 4 months ago
2:17
If N and M are normal in G, then NM is normal in G .
nothing but math proofs
2.2K views • 4 months ago
6:08
If N & M are normal in G such that NnM=e, then nm=mn for n in N and m in M .
nothing but math proofs
12 views • 4 months ago
2:53
Prove that every subgroup of an abelian group is normal .
nothing but math proofs
13 views • 4 months ago
4:34
If N is normal in G and H is a subgroup of G then NH is a subgroup of G .
nothing but math proofs
112 views • 4 months ago
Load More