DSC2605 A01

School: University of the Fraser Valley - Course: MATHEMATIC 4825 - Subject: Accounting

PART A. DISCUSSIONS Question 1: Discussion onmyUnisa [6] Marks will be awarded for your participation and contribution on the Discussion Forum onmyUnisa by the due date. You will thus need to visit the module site onmyUnisa at least one hour per week. (a)Write down topics that you have created under a specific discussion forum. Under General Discussion, the following topics: Assignment 1 Deadline MS Word and Mathematical Notation Analytic Solver Software (b)State clearly all contributions in different topics created either by you, your fellow students or your lecturers. Forum: Learning Unit 2: Equation operations - By M MPANDA Forum: General Discussion, I have contributed to the following topics: Assignment 01, Matrix operations - By A TONGA NANA Assignment 1 Deadline - By M PEREIRA Diet problem - By A TONGA NANA MPL Software - By S NGWANE Semester 2 assignment 1 - By M PHOKU MS Word and Mathematical Notation - By M PEREIRA Analytic Solver Software - By M PEREIRA

PART B. MATRIX AND VECTORS Question 2: Matrix operations [13] Consider the following matrices: A=[4−20−24−20−24],B=[−12 0−1 1−2] ,c=[0−11]∧x= [x1 x2 x3 ] (a)Find the opposite matrix ofA, that is,−A. DONE −A= [−420 2−42 02−4 ] (b)FindI3−2A, whereI3 is the identity matrix of order 3.DONE 3=¿[100 010 001 ] I ¿ [100010001]−2[4−20−24−20−24]= [−740 4−74 04−7