What is the difference between equation and formula?
An equation is meant to be solved, that is, there are some unknowns. A formula is meant to be evaluated, that is, you replace all variables in it with values and get the value of the formula. …
What is the equation for a 3D line? - Mathematics Stack Exchange
May 28, 2013 · I love your answer for a line equation in the form of z = f (x, y)... Unfortunately calculating square roots can be impractical from the calculational standpoint and hence I really …
simple geometry question- equation of cylinder
Jul 23, 2014 · The equation of an object is a way of telling whether a point is part of an object -- if you substitute the coordinates of the point into the equation and the equation is true, then the …
Overview of basic facts about Cauchy functional equation
(Equations which can be easily transformed to Cauchy functional equation or can be solved by using similar methods.) Is there some overview of basic facts about Cauchy equation and …
Deriving an equation for the orbital period of a satellite
Deriving an equation for the orbital period of a satellite Ask Question Asked 13 years ago Modified 7 years, 8 months ago
What is the difference between an identity, an equation and a ...
Equation means equality. They are both related to the word equal. If such an equality is true for all values of the variable, it is called an identity, e.g., $\sin^2x+\cos^2x=1$ is true for all x. If …
Equation of a rectangle - Mathematics Stack Exchange
Oct 2, 2011 · I need to graph a rectangle on the Cartesian coordinate system. Is there an equation for a rectangle? I can't find it anywhere.
General equation of a plane through $3$ points. [closed]
Sep 24, 2015 · Note that there are 4 unknowns, so there is no single solution for a,b, and c since you can just multiply the equation by some constant and it stays the same, so you just solve …
Ellipse general equation from dimensions, offset, and tilt angle
Aug 13, 2020 · Ellipse general equation from dimensions, offset, and tilt angle Ask Question Asked 5 years, 3 months ago Modified 5 years, 3 months ago
intuition - How Bernoulli differential equation arise naturally ...
A Bernoulli differential equation is a non-linear differential equation of the form $$ \\frac{dy}{dx} + P(x)y = Q(x)y^n. $$ I understand this is special; Because its exact solution is known though ...