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What is the difference between equation and formula? An equation is a statement that connects two expressions with an $=$ sign and asserts their equality An identity is an equation that holds for every variable tuple for which the equation is defined: $\log(xy)\equiv \log(x)+\log(y)$ A conditional equation holds for some variable tuple(s):
What is the equation for a 3D line? - Mathematics Stack Exchange Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
terminology - What does it mean to solve an equation? - Mathematics . . . In most cases an equation represents a problem (or question) of some kind, and when we say that we are "solving" the equation what we really mean is that we are solving the problem (or answering the question) In other words, the meaning of "solving an equation" is determined only by the context
Equation of a rectangle - Mathematics Stack Exchange If the equations of the diagonals of the rectangle are Ax + By + C = 0 and Dx + Ey + F = 0 then an equation for the rectangle is: M|Ax + By + C| + N|Dx + Ey + F| = 1 M and N can be found by substituting the coordinates of two adjacent vertices of the rectangle In fact, this equation can be used to describe any parallelogram
Difference between ≈, ≃, and ≅ - Mathematics Stack Exchange In my work "=" is the identity of a number so it states an equivalence 1=1, 2x=10 ie x =5 The approximation sign "≈" I use for decimal approximations with tilde "~" being a rougher approximation
Polar equation of a circle - Mathematics Stack Exchange For some basic information about writing mathematics at this site see, e g , basic help on mathjax notation, mathjax tutorial and quick reference, main meta site math tutorial and equation editing how-to $\endgroup$
How to solve the Riccatis differential equation I found this question in a differential equation textbook as a question The equation $$ \frac{dy}{dx} =A(x)y^2 + B(x)y +C(x) $$ is called Riccati's equation
simple geometry question- equation of cylinder 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 point is on the object; if the equation is not true for that point, then the point is not on the object
Compute the characteristic equation of a $3 \\times 3$ matrix The characteristic equation is used to find the eigenvalues of a square matrix A First: Know that an eigenvector of some square matrix A is a non-zero vector x such that Ax = λx Second: Through standard mathematical operations we can go from this: Ax = λx , to this: (A - λI)x = 0