Use the fact that matrices A and B are row-equivalent. 1 2 1 0 0 2 5 1 1 0 A = 3 7 2 2-2 9 20 7 -2 8 1 0 30-4 0 1 -1 0 2 8 = 0 1 -2 00 00 0 (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. WNH ↓ 1 BEEBE: DI ↓1 (d) Find a basis for the column space of A. ↓1 (e) Determine whether or not the rows of A are linearly independent. O independent dependent (f) Let the columns of A be denoted by a₁, a2, a3, a4, and a5. Which of the following sets is (are) linearly independent? (Select all that apply.) O {a1, az, a4) {a₁, az, aç} O {a1, a3, a5)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Use the fact that matrices A and B are row-equivalent.
1
2 1
0
0
2
5 1
1 0
A =
3
7 2
2 -2
9
20 7 -2 8
1
0 30-4
0 1 -1 0 2
8 =
0 0
0 1 -2
0 0 00 0
(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.
(68883-1
(d) Find a basis for the column space of A.
↓t
(e) Determine whether or not the rows of A are linearly independent.
O independent
dependent
(f) Let the columns of A be denoted by a₁, a2, a3, a4, and a5. Which of the following sets is (are) linearly independent? (Select all that apply.)
O {a1, az, a4})
O {a1, a2, a3}
O {a1, a3, a5}
Transcribed Image Text:Use the fact that matrices A and B are row-equivalent. 1 2 1 0 0 2 5 1 1 0 A = 3 7 2 2 -2 9 20 7 -2 8 1 0 30-4 0 1 -1 0 2 8 = 0 0 0 1 -2 0 0 00 0 (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. (68883-1 (d) Find a basis for the column space of A. ↓t (e) Determine whether or not the rows of A are linearly independent. O independent dependent (f) Let the columns of A be denoted by a₁, a2, a3, a4, and a5. Which of the following sets is (are) linearly independent? (Select all that apply.) O {a1, az, a4}) O {a1, a2, a3} O {a1, a3, a5}
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