general
Difference between Slope and Gradient
It has been a few years since studying contour maps. Often I hear slope and gradient interchangeably in describing steepness. Does anyone know any good de...
Apr 09, 2026
Archive: General
![prove that there is some number $x$ such that $x^{179}+\frac{163}{1+x^2+\sin^2x}=119$ [closed]](https://news.conceivablytech.com/uploads/prove-that-there-is-some-number-x-such-that-x-179-frac-163-1-x-2-sin-2x-119-closed_720.jpg)
general
prove that there is some number $x$ such that $x^{179}+\frac{163}{1+x^2+\sin^2x}=119$ [closed]
prove that there is some number x such that $ x^{179}+\frac{163}{1+x^2+\sin^2x}=119$ I really want to know the general process to prove something like tha...
Apr 09, 2026
general
Transitive group action
I am just trying to learn what transitive group action is. It seems I understand the definition, but I still have an issue. We read on Wikipedia that (emp...
Apr 09, 2026
general
Counting all possibilities that contain a substring
How many strings are there of seven lowercase letters that have the substring tr in them? So I am having a little problem with this question, I know that ...
Apr 09, 2026
general
How is "one to one" a synonym of "injective"? (Terminology question)
Am I the only one to find these alternative names stupid? one-to-one = injective one-to-one correspondance = bijective onto = surjective Why don't th...
Apr 09, 2026
general
Getting the unique element in the Riesz-Frechet Theorem.
I have this thorem in my book, H', denotes the dual space, that is the set of bounded linear operators from X to the field over X. The way they got t...
Apr 09, 2026
general
why does e raised to the power of negative infinity equal 0?
Why is it that e raised to the power of negative infinity would equal 0 instead of negative infinity? I am working on problems with regards to limits of i...
Apr 09, 2026
general
Is there a parabola which is similar to a branch of hyperbola?
Parabola and a branch of hyperbola, visually looks similar. The only difference I find is that, when x tends to infinity, hyperbola approaches a straight ...
Apr 09, 2026
general
Expected number of heads in n coin tosses
What is the expected number of heads in n coin tosses, where the probability of landing one head is p? I know that the probability of having k heads in n ...
Apr 09, 2026
general
How to determine significant figures involving radicals and exponents
How do you determine the significant figures for solving equations with radicals and exponents? For example, how do you evaluate $x = \sqrt{4.56^2 +1.23^2}$?
Apr 09, 2026
