### ✅ Inverse Matrix Formula ⭐️⭐️⭐️⭐️⭐

Inverse of Matrix Inverse of Matrix for a matrix A is denoted by A-1. The inverse of a 2 × 2 matrix can be calculated […]

Inverse of Matrix Inverse of Matrix for a matrix A is denoted by A-1. The inverse of a 2 × 2 matrix can be calculated […]

Inverse Functions An inverse function or an anti function is defined as a function, which can reverse into another function. In simple words, if any […]

Linear Interpolation Formula Interpolation Formula: The method of finding new values for any function using the set of values is done by interpolation. The unknown […]

Integration by Substitutions In order to find integrals of functions effectively, we need to develop techniques that can reduce the functions to standard forms. The […]

Integral Formulas Integral Formulas – Integration can be considered the reverse process of differentiation or called Inverse Differentiation. Integration is the process of finding a […]

Infinite Series Formula The infinite series formula is used to find the sum of a sequence where the number of terms is infinite. There are various types […]

Implicit Differentiation Implicit differentiation is the process of finding the derivative of an implicit function. There are two types of functions: explicit function and implicit […]

Hypergeometric Distribution The probability distribution of a hypergeometric random variable is called a hypergeometric distribution. This lesson describes how hypergeometric random variables, hypergeometric experiments, hypergeometric […]

Equations of Hyperbolas Learning Outcomes Derive an equation for a hyperbola centered at the origin Write an equation for a hyperbola centered at the origin […]

Hexagon Area Formula In Euclidean geometry, the polygon is a 2D – two-dimensional closed shape that has many sides. Each side has a straight segment. […]

Harmonic Mean Harmonic mean is a type of numerical average that is usually used in situations when the average rate or rate of change needs […]

Double‐Angle and Half‐Angle Identities Special cases of the sum and difference formulas for sine and cosine yields what is known as the double‐angle identities and […]

The great circle distance How can we find the formula for the great circle distance? In Lost but lovely: the haversine we explored great circle […]

How to Graph an Equation Graphing equations is a much simpler process that most people realize. You don’t have to be a math genius or […]

Geometric Series A geometric series is a series whose related sequence is geometric. It results from adding the terms of a geometric sequence . Finite […]

Geometric Mean the Geometric Mean (GM) is the average value or mean which signifies the central tendency of the set of numbers by finding the […]

The Gaussian distribution Normal (Gaussian) Distribution The normal distribution is by far the most important probability distribution. One of the main reasons for that is […]

Function Formulas Functions is an important branch of maths, which connects the variable x with the variable y. Functions are generally represented as y = […]

Frustum of a Regular Pyramid Formula The frustum is a pyramid that is the result of chopping off the top of a regular pyramid. That […]

Fourier Series Formula The Fourier series formula gives an expansion of a periodic function f(x) in terms of an infinite sum of sines and cosines. It is used to decompose any […]

Fibonacci Sequence The Fibonacci sequence was first found by an Italian named Leonardo Pisano Bogollo (Fibonacci). Fibonacci numbers are a sequence of whole numbers: 0, […]

Trinomials A trinomial is an algebraic expression that has three terms. An algebraic expression consists of variables and constants of one or more terms. These […]

Factorial Factorial of a whole number ‘n’ is defined as the product of that number with every whole number till 1. For example, the factorial […]

Đề 1 thi Tiếng Việt lớp 4 cuối học kì 2 A. Phần đọc I. ĐỌC THÀNH TIẾNG Thời gian: 1 phút Học sinh đọc một […]

Đề 1 thi học kì 2 môn Toán lớp 4 Đáp án đề 1 thi học kì 2 môn Toán lớp 4 Đề 2 thi […]

Exponents Formula The exponent of a number refers to the number of times any number is multiplied by itself. There are various exponents formulas used to […]

Exponential Functions An exponential function is a mathematical function, which is used in many real-world situations. It is mainly used to find the exponential decay […]

Euler’s formula, either of two important mathematical theorems of Leonhard Euler. The first formula, used in trigonometry and also called the Euler identity, says eix = cos x + isin x, where e is the base […]

What is an Equilateral Triangle? As the name suggests, ‘equi’ means equal, and an equilateral triangle is the one in which all sides are equal. […]

Equation Of A Circle The standard equation of a circle is given by: (x-h)2 + (y-k)2 = r2 Where (h,k) is the coordinates of center of the circle and […]

Empirical Probability Formula Empirical probability is also known as an experimental probability which refers to a probability that is based on historical data. In other […]

Effect Size Effect size is a statistical concept that measures the strength of the relationship between two variables on a numeric scale. For instance, if we […]

Double Angle Formulas Double angle formulas are used to express the trigonometric ratios of double angles (2θ) in terms of trigonometric ratios of single angle […]

What is Divisor? A divisor is a number that divides another number either completely or with a remainder. A divisor is represented in a division equation as: Dividend […]

Quick review of the quadratic formula The quadratic formula says that What is the discriminant? The discriminant can be positive, zero, or negative, and this […]

Direction of a Vector The direction of a vector is the angle made by the vector with the horizontal axis, that is, the X-axis. The direction of […]

Difffferentiation Formulas, Integration Formulas Differential Calculus Formulas Differentiation is a process of finding the derivative of a function. The derivative of a function is defined […]

Difference Quotient Formula The difference quotient formula is a part of the definition of the derivative of a function. By taking the limit as the […]

Sum or Difference of Cubes Sum and Difference of Cubes The sum or difference of two cubes can be factored into a product of a binomial times […]

Diagonal of Square The diagonal of a square is a line segment that joins any two non-adjacent vertices. A square has two diagonals that are equal in […]

Diagonal of Parallelogram Formula Diagonals of a parallelogram formula are used to find the length of the diagonals of a parallelogram. The diagonals of a […]

Diagonals Formula A diagonal is a slant line or a sloping line that connects two vertices of a polygon, and those vertices should not be […]

Derivative Formula A derivative helps us to know the changing relationship between two variables. Consider the independent variable ‘x’ and the dependent variable ‘y’. The […]

Degrees to Radians Degrees to radians is a form of conversion used to convert the measurement of angles in geometry. Just like every quantity has […]

Calculator Use This calculator converts a decimal number to a fraction or a decimal number to a mixed number. For repeating decimals enter how many […]

Exponential Function and Decay In mathematics, exponential decay describes the process of reducing an amount by a consistent percentage rate over a period of time. It can […]

Compounding is the effect where an investment earns interest not only on the principal component but also gives interest on interest. So compounding is basically […]

Cube Root Whenever a number (x) is multiplied three times, then the resultant number is known as the cube of that number. Thus, the cube […]

Cross Product of Two Vectors Cross product of two vectors is the method of multiplication of two vectors. A cross product is denoted by the […]

Cp Cpk Formulas versus Pp Ppk Formulas Formulas for Cp Cpk and Pp Ppk are Similar People often get confused about the difference between Pp/Ppk […]

Covariance Formula In statistics, the covariance formula is used to assess the relationship between two variables. It is essentially a measure of the variance between […]

Sine, Cosine and Tangent hree Functions, but same idea. Right Triangle Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled […]

The Law of Cosines For any triangle: How to Remember How can you remember the formula? Well, it helps to know it’s the Pythagoras Theorem with something […]

Cosec Cot Trigonometry is the field of study which deals with the relationship between angles, heights, and lengths of right triangles. And this time we […]

Amongst all the trigonometric formulas, the most important ones are the right triangle formulas. The Cos θ = Adjacent / Hypotenuse Cos angle formula There are […]

Phòng Giáo dục và Đào tạo ….. Đề 1 thi Học kì 1 Năm học … Bài thi môn: Ngữ văn lớp 8 Thời gian […]

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