(Left nullspace) Add the extra column b and reduce A to echelon form: 1 2 3 b₁ 1 2 3 b₁ [A b] = 4 5 6 b2 → 0-3-6 b2-4b1 789 63 0 00 b3 - 252 + b₁ A combination of the rows of A has produced the zero row. What combination is it? (Look at b3 - 262 + b₁ on the right side.) Which vectors are in the nullspace of AT and which vectors are in the nullspace of A?
(Left nullspace) Add the extra column b and reduce A to echelon form: 1 2 3 b₁ 1 2 3 b₁ [A b] = 4 5 6 b2 → 0-3-6 b2-4b1 789 63 0 00 b3 - 252 + b₁ A combination of the rows of A has produced the zero row. What combination is it? (Look at b3 - 262 + b₁ on the right side.) Which vectors are in the nullspace of AT and which vectors are in the nullspace of A?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter8: Polynomials
Section8.3: Multiplying Polynomials
Problem 55PFA
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