Removing a fraction in the denominator
What steps do I need to take to simplify $\frac{1}{\frac{1}{\sqrt{2}}}$ to $\frac{\sqrt{2}}{1}$? Can you please explain the steps i need to take in this p...
04 Apr 2026 1 READS
Three Simultaneously Diagonalizable Matrices
I have three symmetric square matrices $M$, $G$, and $S$ with the following properties: $S$: symmetric and positive semi-definite. $M$: Fully diagonal wit...
04 Apr 2026 1 READS
What are the interesting applications of hyperbolic geometry?
I am aware that, historically, hyperbolic geometry was useful in showing that there can be consistent geometries that satisfy the first 4 axioms of Euclid...
04 Apr 2026 1 READS
How many degrees of freedom does a line have on a plane?
Using $y=ax+b$ I can get a line for every point $(a,b)$ but there are still some lines left $(x=c)$. So it seems that lines are more than points so they h...
04 Apr 2026 1 READS
Are there any open source alternatives to Landscape?
Better yet, are there any Spacewalk-like software packages that work for both RedHat-based and Debian-based systems?
04 Apr 2026 1 READS
Ubuntu Not Detecting SSD
SADA operations is AHCI. And OS drive is not encrypted. If I click "advance partition" my SSD is detected but it wrongly states there is 256GB f...
04 Apr 2026 1 READS
nslookup query not working in Ubuntu
I am trying to use the code nslookup -q=mx gmail.com to find the mail server of gmail.com, but its not working on my Ubuntu. I have tried it in windows an...
04 Apr 2026 0 READS
Looking for CAPS LOCK/NUM LOCK and HDD activity indicators
I've purchased a Dell Inspiron 1545 for my wife. Due to some really bad judgement from the design team, the only indicator you have is the power one....
04 Apr 2026 0 READS
Find the partial fraction for: $\frac{1}{(x^2+1)^2(x-1)}$
I want to find the partial fraction of: $$\frac{1}{(x^2+1)^2(x-1)}$$ Although I want this expressed through the format of finding the complex number that ...
04 Apr 2026 0 READS
What is the interpretation of the fundamental theorem of line integrals?
The fundamental theorem of line integrals is: $$\int_{a}^{b} \nabla F \cdot \vec{dr} = F(r(b)) - F(r(a))$$ for some curve traced by $r$. What is the intui...
04 Apr 2026 0 READS
