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Suppose the last column of AB is entirely zeros but B
Chapter 2, Problem 21E(choose chapter or problem)
QUESTION:
Problem 21E
Suppose the last column of AB is entirely zeros but B itself has no column of zeros. What can be said about the columns of A?
Questions & Answers
QUESTION:
Problem 21E
Suppose the last column of AB is entirely zeros but B itself has no column of zeros. What can be said about the columns of A?
ANSWER:
Solution
Step 1:
Suppose the last column of AB is entirely zeros but B itself has no column of zeros we have to conclude about the columns of A