Fill in the blanks GATE Civil Engineering 2013

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## Fill in the blanks. GATE- Civil Engineering- 2013

What is the minimum number of multiplications involved in computing the matrix product PQR? Matrix P has 4 rows and 2 columns, matrix Q has 2 rows and 4 columns, and matrix R has 4 rows and 1 column. __________

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The minimum number of multiplications involved in computing the matrix product PQR is 16

If we multiply QR first then having multiplication number 8
Therefore will have minimum number of multiplication
=  (8 + 8) = 16

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