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K
khansaheb
reacted to
Ted's post
in the thread
Ted
with
Like
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Please create a new thread and ask away. Resurrecting ancient threads gets too messy.
Jan 22, 2026
F
fresh_42
reacted to
Ted's post
in the thread
Ted
with
Like
.
Please create a new thread and ask away. Resurrecting ancient threads gets too messy.
Jan 22, 2026
T
Ted
replied to the thread
Ted
.
Please create a new thread and ask away. Resurrecting ancient threads gets too messy.
Jan 22, 2026
K
khansaheb
replied to the thread
How Important Is Algebra for Getting a University Diploma?
.
Non-abstract algebra is used in almost all the disciplines - e.g. culinary art, History, basket-weaving, etc.. To learn any subject and...
Jan 22, 2026
Dr.Peterson
replied to the thread
Ted
.
You could just start a thread of your own, asking the question in the form you want answered.
Jan 22, 2026
N
nasi112
posted the thread
Ted
in
Administration Issues
.
Hi Ted. Could you please open the Apothem and radius problems thread? I want to understand how Mark would solve it. I appreciate your...
Jan 22, 2026
N
nasi112
reacted to
Dr.Peterson's post
in the thread
Limit with Absolute
with
Like
.
What you've done there is to assume x>0, so the limit you find is the limit from the right. Now assume instead that x<0, rewrite the...
Jan 22, 2026
N
nasi112
reacted to
blamocur's post
in the thread
Limit with Absolute
with
Like
.
The function f(x) = \frac{2x-|x|}{|3x|-2x} is not continuous at 0. As is often the case, its limits are different for x<0 and x>0. Have...
Jan 22, 2026
M
Maths Pro
reacted to
Dr.Peterson's post
in the thread
Permutation and combination when letters are repeated
with
Like
.
My method, adapted slightly from the QUEUES example, gives...
Jan 21, 2026
M
Maths Pro
replied to the thread
Permutation and combination when letters are repeated
.
Yes, I could get somewhere around the problem from your approach. Till then I was totally at sea.
Jan 21, 2026
Dr.Peterson
replied to the thread
Permutation and combination when letters are repeated
.
My method, adapted slightly from the QUEUES example, gives...
Jan 21, 2026
blamocur
replied to the thread
Permutation and combination when letters are repeated
.
Nice! Definitely better than my solution.
Jan 21, 2026
blamocur
reacted to
mrtwhs's post
in the thread
Permutation and combination when letters are repeated
with
Like
.
First task is to line up M,A,A,A,A,S,T. As noted earlier this can be done in \dfrac{7!}{4!} ways. Now you can insert the 2H's and 2R's...
Jan 21, 2026
M
Maths Pro
reacted to
Dr.Peterson's post
in the thread
Permutation and combination when letters are repeated
with
Like
.
That's what I guessed you meant; but you hadn't mentioned changing EE to E1E2, so I wanted to be sure. Before we try to go further, we...
Jan 21, 2026
M
Maths Pro
reacted to
blamocur's post
in the thread
Permutation and combination when letters are repeated
with
Like
.
My brute force script confirms the 88200 answer under this assumption.
Jan 21, 2026
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