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posted by OIan Tuesday, April 16, 2013 at 3:27am.
Let A,B and C be matrices such that A=(1 2 3 1 2 3) , B=(1 2 2 4 2 3) and C=AB. What is the sum of all the elements (entries) of matrix C?
C = (9 6 8) (7 8 9) (14 10 13) so add 'em up
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