Advanced Math

For the highest-level (post-calculus) math questions that don't fall into any other category.
C
two solutions
Replies
10
Views
4K
Dr.Peterson
Dr.Peterson
S
Looking for a Reliable "Days Between" Calculator Tool
Replies
3
Views
9K
The Highlander
The Highlander
M
ms math
Replies
6
Views
26K
msbiljanica
M
A
Logic Puzzle - Pretty Planters (Very hard!!)
Replies
0
Views
13K
A19327
A
O
Proof check that [imath]\text{span}(v_1,\dots,v_i,\dots,v_n) = \text{span}(v_1,\dots,\alpha v_i,\dots,v_n)[/imath]
Replies
3
Views
14K
blamocur
blamocur
A
Trace Elements
Replies
9
Views
19K
Dr.Peterson
Dr.Peterson
A
Word Arithmetic
Replies
2
Views
19K
Steven G
Steven G
J
Logic Laws - Material Implication - Conditional Laws
Replies
4
Views
20K
jpanknin
J
Boi
Asking for a check of my proof (group theory)
Replies
6
Views
23K
fresh_42
F
J
Divisibility Proof
Replies
11
Views
24K
Dr.Peterson
Dr.Peterson
Boi
Could somebody help me refine my proof, please? (group theory)
Replies
3
Views
21K
fresh_42
F
Steven G
Conformal Mapping
Replies
5
Views
15K
blamocur
blamocur
J
Equivalent Fractions
Replies
10
Views
7K
fresh_42
F
Steven G
How do you solve the posted problem using Rouche's theorem--Complex Analysis
Replies
5
Views
4K
Steven G
Steven G
P
Please advice to solve this issue
Replies
0
Views
4K
PA3040D
P
O
Solution check for proof of [imath]f(A \cap f^{-1}(B)) \subseteq f(A) \cap B[/imath]
Replies
1
Views
3K
fresh_42
F
A
Cross Sums
Replies
2
Views
3K
blamocur
blamocur
A
Logic Puzzle (Very Difficult)
Replies
3
Views
2K
blamocur
blamocur
A
Math Maze
Replies
3
Views
2K
blamocur
blamocur
A
Word Arithmetic
Replies
1
Views
1K
mario99
M
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