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M
Maths Pro
reacted to
mrtwhs's post
in the thread
Circular permutations anyone?
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.
I think the first issue is that for n people seated in a circle, the number of permutations is (n-1)!. This is assuming there is no...
Jan 25, 2026
M
mrtwhs
replied to the thread
Circular permutations anyone?
.
These two arrangements are usually considered the same.
Jan 25, 2026
M
mrtwhs
replied to the thread
Circular permutations anyone?
.
I think the first issue is that for n people seated in a circle, the number of permutations is (n-1)!. This is assuming there is no...
Jan 25, 2026
blamocur
replied to the thread
Circular permutations anyone?
.
I can see an ambiguity here: are rotated arrangements (e.g. ABCDE and BCDEA) considered different or identical?
Jan 25, 2026
M
Maths Pro
posted the thread
Circular permutations anyone?
in
Intermediate/Advanced Algebra
.
The question reads : Delegates from 24 countries participate in a round table discussion. Find the number of seating arrangements where...
Jan 25, 2026
T
Ted
replied to the thread
How to calculate ($14,000 / $10,000) ^ (365 / 913) – 1 w/o scientific calculator
.
This thread is almost 10 years old and needs no further discussion.
Jan 24, 2026
K
khansaheb
reacted to
savs77's post
in the thread
Number of days ate 3? You begin with 28 sweets. Each day, you consume 2 or 3 sweets. In 12 days, you finish all 28.
with
Like
.
Jan 23, 2026
M
Maths Pro
reacted to
Cubist's post
in the thread
Complex number into a trigonometric form
with
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.
@Loki123 to memorize pka's post#14 you only need to remember 2 things:- that tan is opposite/adjacent and that π is 180°. Then just do a...
Jan 23, 2026
K
khansaheb
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
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
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