What is a letter in algebra? A letter represents a variable in an algebraic expression. Numbers are disguised as letters. Here, x and y are variables. Variables refer to letters that represent numbers that can vary-for example, we could substitute any number in the expression for these letters. What are letters used for in math? […]
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As a three-dimensional geometrical shape (rectangle) a rectangular prism can be defined as It’s 3D three-dimensional figure with six rectangular faces. Six rectangular faces make up a solid (3-dimensional) object. Moreover, its cross-section remains the same along its length, making it a prism. A cuboid is another name for a rectangular prism. What is a
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In absolute-value bars instead of square brackets, determinants are based on square matrices. In an advanced course, you’ll likely learn more about determinants, as there is a lot you can do with them. The purpose of this lesson is simply to demonstrate how to compute 2×2 and 3×3 determinants. This method can be extended to
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Celsius Thermometer: Water’s freezing and boiling points are 0° and 100° respectively on the Celsius scale. As a result of the 100-degree interval between the defined points, the Celsius scale was invented by the Swedish astronomer Anders Celsius in 1742. To convert a Fahrenheit (°F) temperature into a Celsius (°C) value, use the following formula:
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Well-defined Well defined means an object or thing or element that is ”clearly defined” or ”described”, meaning there is no need to describe more. Well-defined set Example: This set is consist of the first four odd numbers. That is a well-defined set. This set is consist of two distinct dishes. This is a well-defined set.
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Factorial of 0 Proof: since we know that where n belongs to positive integer Examples. Now we will prove that 0!=1 is equal to one. As Put Hence factorial of 0 is equal to 1 Why it is not possible to have a negative factorial ? Is factorial define for nagative numbers? why can not have
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What is a 9 Sided Shape? With nine straight sides that meet at nine corners make a polygon that is called a Nonagon. Nonagon is a 2D nine-sided shape that belongs to the family. The word “nonagon ” comes from the Latin word “nona “, meaning nine, and “gon “, meaning sides. So it literally
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Statement of Mean Value Theorem (MVT) : Let a function be then there exist a point such that MVT Proof: Define a new function by where A is a constant to determined such that The functiom is contineous on and differentiable on . Hence is contineous and differentiable respecctively on and . The function satisfies
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What are the corresponding angles? When a third line intersects two parallel lines, the angle made by the same relative position at each intersection is called the corresponding angle to each other. When a line known as intersecting traversal crosses a pair of straight lines, corresponding angles are formed. Corresponding angles are the pair of
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Angles are measured using degrees. Angles can be measured in both radians and degrees. When measuring angles in practical geometry, we always measure them in degrees. The symbol ° (degree) represents a degree. One full rotation of the globe is measured by 360 degrees (also written as 360°). What is a Degree? A degree is
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