This assignment has 2 questions. Do each one, and upload an electronic copy of your work to Camas. Show all work. Clean copy required: legible, no erasures, correct mathematical notations. Handwritten solutions are fine. Question 1 (4 points) Programming Assignment (a) (4 points) Write a function that does the following: 1. takes a matrix A as an input 2. returns false if the matrix bs not in row echelon form, and returns true together with a list of the pivot columns otherwise. Your clectronie submission should include a copy of your program, together with the output given input matrix A=000100250300400 Question 2 ( 6 points) Gaussian Elimination Obtain the solution in standard form for ench of the Ax=b problems below. Clearly shon the matrix representations of the row operations performed. (a) (2 points) Solve 13301230128324 (b) ( 2 points) Solve 2646181224102108102438 (c) (2 points) Solve 00020331106618012123403390671506618 Don't forget to check your results