Further Mathematics - Exam Revision

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The inverse of a matrix
  • Jun 11, 2018

Why inverse matrices? The inverse of a matrix is also called the reciprocal of the matrix. Since matrices cannot be divided, inverse matrices are used as the reciprocal operation of multiplication of matrices. Notation If A is a square matrix, then its inverse is also a square matrix and it is...

Operations with Matrices
  • Jun 06, 2018

Addition and subtraction of matrices Requirement: Matrices must be of the same order. How to: Corresponding elements are added (in addition) or subtracted (in subtraction). Example Consider the two matrices given below.                 a. Calculate the matrix A + B.     The two matrices are...

Matrices ... What are they?
  • Apr 06, 2018

This article is about what a matrix is and types of matrices.

Part 1 - Further Mathematics - Unit 3 - DATA ANALYSIS - Types of data
  • Sep 25, 2017


Population, samples and simple random sampling
  • Jul 01, 2017

POPULATIONS AND SAMPLES A population consists of all members (people, objects or events) of a specified group about which information is sought. Examples all the teenagers in a country; all the students in a school; all the kangaroos in Australia.   A sample is a representative subset of the population and it consists of some members (people, objects or...


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