3. (10%) Let C = AB, where A and B are both n by n matrices....

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3. (10%) Let C = AB, where A and B are both n by n matrices. The element located at row i and column of C is represented by C

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Answer 1

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The value of Cij in summation notation and the value of Cij when Aik and Bkj are 2 & 3 respectively is given in the attached image along with the steps :

Solution - Cij = Atbit A i B2; + Aiz B3jt ... + Ainong a) here i 4 are constant so we can write this expression using the sum

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