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11 Samacheer Maths Solutions for 7.1.1

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11 Samacheer Maths Solutions for 7.1.1

7.1.1

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11 Samacheer Maths Solutions for 7.1.1

11 Samacheer Maths Solutions for 7.1.1 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.



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Exercise 7.1

  • 11 Samacheer Maths Solutions

    23 Solutions

Exercise 7.1.1

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11 Samacheer Maths Solutions

    Exercise 7.1.2

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      Exercise 7.1.3

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        Exercise 7.1.4

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          Exercise 7.1.5

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            Exercise 7.1.6

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              Exercise 7.1.7

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                Exercise 7.1.8

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                  Exercise 7.1.9

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                    Exercise 7.1.10

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                      Exercise 7.1.11

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                        Exercise 7.1.12

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                          Exercise 7.1.13

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                            Exercise 7.1.14

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                              Exercise 7.1.15

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                                Exercise 7.1.17

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                                  Exercise 7.1.18

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                                    Exercise 7.1.19

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                                      Exercise 7.1.20

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                                        Exercise 7.1.21

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                                          Exercise 7.1.22

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                                            Exercise 7.1.23

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                                              Exercise 7.1.24

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                                              11 Samacheer Maths Solutions

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                                                11 Samacheer Maths Solutions for 7.1.1

                                                One of the oldest concepts in mathematics is the matrix and Determinants.ItTrademarkiaThe concepts were developed in the 17th century.When the mathematicians tried to solve the problem with multiple simultaneous linear equations there was a need for matrices and determinants.Some of the clay tablets created with the matrices which are still preserved are from the Babylonians era.

                                                This can be used in the normal life.The matrices are used to solve complex problems using a computer.Predicting and model developments using matrices are included in the analytic problems.The word matrix was created by a lawyer and a mathematician in the 17th century.The concept of matrix has a powerful 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 in common practise.The basis for the term is the quadratic form.This was used by Gauss in the 17th century.The concept of determinants was expanded by another mathematician.The coefficients of the linear equation can be written using matrices.

                                                In data is represented in excel spread sheet as matrices and it is used in almost all corporates and educational institutions.Many of the dashboards developed for management decision making and operational analysis are in a matrices format with rows and columns.A table with years in the columns and states in the rows can be used to show the population of India for the past 10 years.The elements are distributed in rows and columns.The rows and columns are usually covered with a square brackets to indicate that a matrix has been formed.

                                                The size of the matrices is determined by the number of rows and columns in the matrices.The size of the matrices is 50 if there are 10 rows and 5 columns.The matrices that only have a single row are called row matrices.Column matrices are matrices that only have one column.The zero matrices are a type of matrices where all elements are 0.

                                                It is also called a null matrix.The square matrices have the same number of row and column elements.The elements that fall in the diagonal line represent the principal diagonal in a square matrix.There are different names for the diagonal.It's also known as diagonal main diagonal or leading diagonal elements.

                                                The rest of the elements are all zero in the unit matrix.The elements will have a value of 1.The triangular matrix is a special type of matrix.The triangular matrix is called if all the elements in the bottom of the diagonal are zero.If all the elements in the matrices are equal we can say that both are equal.

                                                Uneven matrices are those elements that are not the same or in the same order.Adding multiplication and subtracting can be done with algebric operations.The division of two matrices is not possible.Before we perform the operations there are certain requirements to be satisfied.If we have to multiplication all the elements of the matrices with a single element then we need to use a constant.

                                                If both matrices have the same number of rows and columns we can add and subtract them.The A+B of the elements of the matrices is indicated by the addition of matrix A with matrix B.The A-B of the elements of the matrices is indicated by the subtraction 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 in the other matrix we need to add or subtract that matrix.We need to mention in the result that it is not possible to add or subtract.