Solution Found!
Answer: Exercises 9–12 display a matrix A and an echelon
Chapter 2, Problem 9E(choose chapter or problem)
QUESTION:
Exercises 9–12 display a matrix A and an echelon form of A. Find bases for Col A and Nul A, and then state the dimensions of these subspaces.
Questions & Answers
QUESTION:
Exercises 9–12 display a matrix A and an echelon form of A. Find bases for Col A and Nul A, and then state the dimensions of these subspaces.
ANSWER:Step 1 of 3
Consider the matrix is .
Consider the echelon form of A shows that pivot columns are first, third and the fourth.
The basis for Col A is corresponding column of A so the basis for Col A is,