Question: (a) If A and B are 2 2 matrices whose rows sum to 1, show that the rows of AB also sum to 1.

(a) If A and B are 2 × 2 matrices whose rows sum to 1, show that the rows of AB also sum to 1.
(b) Repeat part (a) for the case where A and B are n × n.

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b If A a ij the sum of the entries in row i is 1 Similarly for B b ij If AB C c ij th... View full answer

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