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Posted: **Thu Jun 30, 2022 9:34 pm**

: 2 Let A Be A 7 5 Matrix And Suppose Ab Is A 7 9 Matrix For Some Matrix B What Must The Size Of B Be 3 Suppose A 1 (22.38 KiB) Viewed 35 times

2. Let A be a 7 × 5 matrix, and suppose AB is a 7 × 9 matrix for some matrix B. What must the size of B be? 3. Suppose A is an m × n matrix whose rows are all identical and B is an n × p matrix whose columns are all identical. What can you say about the entries of AB?