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  1. 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 …

  2. Equation of a rectangle - Mathematics Stack Exchange

    Oct 2, 2011 · 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 …

  3. What is the equation for a 3D line? - Mathematics Stack Exchange

    May 28, 2013 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …

  4. How to solve the Riccati's 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

  5. How can I find the points at which two circles intersect?

    If the discriminant of this quadratic equation that is the real guide is $(>0,0,<0)$ then the intersections are respectively $ (2, 2$ coinciding points at tangent,2) in number which are the …

  6. Notation for rounding in equation - Mathematics Stack Exchange

    I'm wondering if there is a symbol or notation for Round to the nearest 10th For example, the area of a circle with a radius of 45 feet, rounded to the nearest square foot, could be written as, A =...

  7. General formula for solving quartic (degree $4$) equations

    Jul 28, 2010 · Also of note, Wolfram sells a poster that discusses the solvability of polynomial equations, focusing particularly on techniques to solve a quintic (5th degree polynomial) …

  8. 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 …

  9. Ellipse general equation from dimensions, offset, and tilt angle

    Aug 13, 2020 · What is the equation for an ellipse in standard form after an arbitrary matrix transformation? 0 Rotated Ellipse (Parametric) - Determining Semi-Major and Semi-Minor Axes

  10. How do I reflect a function about a specific line?

    How to find the equation of the graph reflected about a line? 0. Graph of the function in the form: sqrt ...

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