Assume That the Number of Multiplications of Entries Used to Multiply

question 9

Short Answer

assume that the number of multiplications of entries used to multiply a p × q and a q × r matrix is
pqr.
-Whatand 7 ×is 3,therespbestectivorderely?to form the product ABC if A, B and C are matrices with dimensions 2 × 5, 5 × 7

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