Econ 289 Assignment 5 Sections 15.1-15.6 Questions Solve all questions, showing your work in reasonable detail. Finish your calculations: when the results can be reduced to numbers, calculate those numbers. The purpose of the assignment is to help you learn the material in this course; therefore, you are expected to use only the methods and concepts that are specific to this course. Submit the answers in only ONE file, preferably PDF, in Blackboard. 1) Construct the matrix A = ( ajj ) 3 x2 , where ajj =(itj, if i= j, and Li-j, if it ) 2 ) Consider the matrices A = (2 0 ) and B = (!/ 2 ) . Calculate ZA+ 3B , AB , and BA. 3) Consider the square matrix A = [ Qi ) oxn , where a :. = Jij , if i