Use the fact that matrices A and B are row-equivalent. 1 2 1 25 1 1 A = 3 72 2 -2 6 13 5 -1 1 0 30-4 0 1 -1 0 B = 0 0 L0 0 0 0 0 1 -2 (a) Find the rank and nullity of A. rank nullity (b) Find a basis for the nullspace of A. (c) Find a basis for the row space of A. (d) Find a basis for the column space of A.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 44RE
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Hi I just need subpart b) and d) answered thank you!
(d) Find a basis for the column space of A.
(e) Determine whether or not the rows of A are linearly independent.
O independent
O dependent
(f) Let the columns of A be denoted by a1, a2, a3, ag, and as. Which of the following sets is (are) linearly independent? (Select all that apply.)
O {a1, a2, a4}
O {a1, a2, a3}
O {a1, a3, as}
Transcribed Image Text:(d) Find a basis for the column space of A. (e) Determine whether or not the rows of A are linearly independent. O independent O dependent (f) Let the columns of A be denoted by a1, a2, a3, ag, and as. Which of the following sets is (are) linearly independent? (Select all that apply.) O {a1, a2, a4} O {a1, a2, a3} O {a1, a3, as}
O O
Use the fact that matrices A and B are row-equivalent.
1 21
2 5 1
1
A =
372
2 -2
6 13 5 -1
1 0
4.
30-4
0 1 -1 0
B =
0 0
L0 0 0 0
0 1 -2
(a) Find the rank and nullity of A.
rank
nullity
(b) Find a basis for the nullspace of A.
(c) Find a basis for the row space of A.
(d) Find a basis for the column space of A.
Transcribed Image Text:O O Use the fact that matrices A and B are row-equivalent. 1 21 2 5 1 1 A = 372 2 -2 6 13 5 -1 1 0 4. 30-4 0 1 -1 0 B = 0 0 L0 0 0 0 0 1 -2 (a) Find the rank and nullity of A. rank nullity (b) Find a basis for the nullspace of A. (c) Find a basis for the row space of A. (d) Find a basis for the column space of A.
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