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February 14, 2023
Determinants and matrices are used to solve linear equations by using Cramer’s rule or the Matrix method. You can compute determinants for square matrices only. They are also used to find the adjoint, and inverse of a matrix. Let’s understand what is determinant of a matrix and how to calculate it using examples. What is
February 14, 2023
A matrix in math is an ordered rectangular array of numbers consisting of $m$ horizontal rows and $n$ vertical columns. Similar to ordinary numbers, you can perform basic operations with matrices. The four basic operations that can be performed on matrices are addition, subtraction, scalar multiplication, and matrix multiplication. Let’s learn about the different types
February 13, 2023
A matrix in math is an ordered rectangular array of numbers consisting of $m$ horizontal rows and $n$ vertical columns. There are various types of matrices. And these are used in multiple areas such as finding solutions to linear equations, in electronic spreadsheet programs for personal computers, and in physical operations such as magnification, rotation,
February 12, 2023
Humans especially kids are always fascinated by aliens in outer space. The excitement about aliens increases many folds if we talk about them. There are many movies that revolve around their visits to Earth. These movies also spark the imaginations as well as the creativity of kids. There are many such movies that enhance the
February 10, 2023
The knowledge of matrix(plural matrices) is necessary for various branches of mathematics. Matrices are one of the most powerful tools in mathematics. This mathematical tool simplifies our work to a great extent when compared with other straightforward methods. The matrices provide a compact way of solving a system of linear equations. Apart from solving equations,
February 10, 2023
We always watch movies that have a fictional storyline and so, sometimes even the struggles are beatified. But in movies like sports movies inspired by real sportspeople, we see the real struggle, real crisis, and a real way of overcoming them, don’t you think kids should know all about these? These movies are not just
February 9, 2023
The binomial theorem is a method of expanding an expression that has been raised to any finite power. Using a binomial theorem, any algebraic expression $(a + b)$ with non-negative power can be expanded into a sum of the form $(a+b)^n = ^n \text{C}_0 a^nb^0 + ^n \text{C}_1 a^{n – 1}b^1 + ^n \text{C}_2 a^{n
February 7, 2023
As a parent you want your kids to read to unleash their creativity and imagination. This helps them to widen their horizons and learn about different things. Reading fantasy and science fiction books for kids, help them to question and understand unique things different from their day-to-day life. It also develops their interest in science
February 7, 2023
You know how to find find the squares and cubes of binomials like $(a + b)$ and $(a – b)$, and also used these algebraic identities to find the numerical values of numbers like $(99)^2 = (100 – 1)^2$, or $(103)^2 = (100 + 3)^2$. However, for higher powers like $(99)^8$, or $(107)^{12}$, etc., the
February 6, 2023
Suppose there are $3$ tennis players $\text{A}$, $\text{B}$, and $\text{C}$. A team consisting of $2$ players is to be formed. In how many ways can we do this? Is the team of $\text{A}$ and $\text{B}$ different from the team of $\text{B}$ and $\text{A}$? Unlike permutations, here the order is not important. In fact, there are
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