A friend of mine asked me how to derive the area and perimeter of a regular n-gon with a radius r for a design project he is working on. I came up with th...

I would like to check if my understanding of projection maps is correct. I have been given the following subset of $\mathbb{R}^3$: $$A=\left\{\begin{pmatr...

Let $f(x)$ be a continuous function. Which of the following must be an even function? $(1) \int_{0}^{x} f(t^2)\mathop{dt}$ (2) $\int_{0}^{x} f(t)^2\mathop...

Consider Rs.1000 as my Gross salary and suppose 20% is PF. so the simple thing is my NET amount is Rs.800. But when I know only my NET amount i.e. Rs.800 ...

Why Linear Algebra named in that way? Especially, why we call it linear? What does it mean?

I would like to ask if someone has backup a live system to an image and later load this image to a virtual machine. If so it would be great to provide us ...

What is the possible number of n sided polygons(every face is the same regular polygon) that touching their corners to sphere surface and also touching ea...

In my /etc/network/interfaces I have multiple servers listed on dns-nameservers, one set of ubuntu servers has 3, another 4. We had no issues until we wer...

I am currently in school and we are learning about Arithmetic Sequences. In one of the sections in our learning material, the arithmetic mean is defined a...

It seems that Ubuntu 16.04 is coming with MySQL 5.7, however I need to install 5.6. When I try to install it explicitly sudo apt-get install mysql-server-...