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11 Samacheer Maths Solutions for 7.4.2 is given in a real board in a hand written format. This would be useful for students to understand the solution in easy and simple manner. The grasping power increases by reading the solution in a notes format. Hence we have given all the solution in volume 2 in this board format. Please share with your friends if you find this format useful.
It's one of the oldest concepts in the field of mathematics.It hasTrademarkia hasThe concepts were created in the 17th Century.There was a need for matrices and determinants when mathematicians tried to solve a problem.Some of the clay tablets were created using the matrices which are still preserved.
It has wider applications in the normal life.The matrices are used in modern application to solve complex problems using a computer.Predicting and model developments using matrices are included in the problems.In the 17th century a lawyer and a mathematician came up with the idea of the matrix.Since the concept of matrix is new it has a strong application in mathematics.
In terms of organised cars in a parking area coconut trees in a farm land and storage of boxes in a storage area we can see matrices.The basis for the term is the form of the figure.This was developed by Gauss in the 17th century.The idea of determinants was extended by another mathematician.We can write the coefficients of the equations using matrices.
Almost all corporates and educational institutions use excel spread sheet for data representation.Many of the dashboards developed for management decision making and operational analysis are in a matrices format with tables that comprise of rows and columns.A table with years in the columns and states in the rows can be used to depict the population across India over the past 10 years.The elements are distributed in two rows and columns.The rows and columns are usually covered with a square bracket to indicate that a matrix has been created.
If there are A number of rows and B number of columns then the size of the matrices is determined by the number of rows and columns.If the matrices have 10 rows and 5 columns the size is 50.row matrices are the matrices that have one row.A single column matrix is called a column matrices.The zero matrices are a type of matrices where all the elements of the matrices are zero.
It's also called null matrix or void matrix.equal number of row elements and column elements is what the square matrices are for.A square matrix has a principal diagonal which is represented by elements in the diagonal line.There are a number of different names for this diagonal.It is called a diagonal main diagonal or leading diagonal elements.
The unit matrix has only one value in the diagonal and the rest of the elements are all zero.All the elements have the same value as 1.triangular matrix is a special type of matrix that can be found on the square matrix.If all the elements in the bottom of the diagonal are zero then the square matrix is called the triangular matrix.If all of the elements are equal we can say that both are equal.
If any of the elements are not the same or not in the same order then it's called an equal matrices.Adding multiplication and subtracting can be operations we can do.The divisions of two matrices are not possible.There are certain things we need to be satisfied with before we start the operations.If we have to multiple a matrix with a constant we need to add the elements of the matrices together.
If the matrices have the same number of rows and columns we are able to add and subtract them.The A+B of the elements of the matrices are determined by the addition of matrix A and matrix B.The A-B of each of the elements of the matrices are indicated by the addition of Matrix A with matrix B.If the number of rows and columns of one matrix is the same as the number of rows and columns of the other matrix we need to add or subtract that matrix.We should mention in the result that an addition or subtraction is not possible if not.