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K
khansaheb
replied to the thread
Work Done query
.
So this is a "random" problem from a "maths" book - not related to instruction. Can please tell me what attracted you to this problem?
Oct 7, 2025
logistic_guy
replied to the thread
Euler function
.
:p😛 \varphi(28) = \varphi(4 \times 7) = \varphi(2^2)\varphi(7) = 2^1(2 - 1)7^0(7 - 1) = \textcolor{blue}{\bold{12}}
Oct 7, 2025
A
apple2357
replied to the thread
Work Done query
.
It was in a maths book
Oct 7, 2025
K
khansaheb
replied to the thread
Work Done query
.
Is this a problem from Physics class or Mathematics?
Oct 7, 2025
A
apple2357
replied to the thread
Work Done query
.
A little bit, tell me more.
Oct 7, 2025
K
khansaheb
replied to the thread
Work Done query
.
Are you familiar with vectors and vector dot/cross products?
Oct 7, 2025
I
isabellaaestheticss8
replied to the thread
Reduce y'' + y''' Sin(y) = 0 to first order and solve
.
How to reduce & solve (interpreting the equation as y′′+y′siny=0y'' + y'\sin y=0y′′+y′siny=0) — By Luxury Cars UAE Set...
Oct 6, 2025
V
viktoria.1047
posted the thread
combinatorics problem - discrete math
in
Advanced Math
.
How many times per day form the digits on the 6-digit display of digital clocks sequence such that: H1 ≤ H2 ≤ M1 < M2 ≤ S1 < S2, (H1H2 ...
Oct 6, 2025
A
apple2357
reacted to
The Highlander's post
in the thread
Work Done query
with
Like
.
Feel free to "muse" away but please don't get confused by anything the village idiot tells you.... This question is not in any way...
Oct 6, 2025
logistic_guy
replied to the thread
puzzle - 2
.
\textcolor{darkred}{\bold{TRUE}} \longrightarrow \textcolor{red}{\bold{T}} \huge\textcolor{indigo}{\bold{the \ solution \ so \ far.}}
Oct 6, 2025
logistic_guy
replied to the thread
Euler function
.
🥰🥰 \varphi(27) = \varphi(3^3) = 3^2(3 - 1) = \textcolor{purple}{\bold{18}}
Oct 6, 2025
W
watercolor
posted the thread
Concrete Definition for a Ratio
in
Arithmetic
.
Hi there. I had a question about ratios. I couldn't seem to find a rigorous definition on them. I understand the concept of fractions...
Oct 5, 2025
K
khansaheb
posted the thread
Not Math related
in
News
.
I am posting this "non-sense" post in an effort to suppress objectionable post-
Oct 5, 2025
logistic_guy
replied to the thread
temperature and oven
.
🏃♂️🏃♂️ \mu_2 = \frac{197.5 + 180 + 215 + 259.5}{4} = 213
Oct 5, 2025
logistic_guy
replied to the thread
Peosta
.
To solve this exercise, it’s important to remember that consigned goods are typically owned by the consignor, not the consignee. In this...
Oct 5, 2025
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