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January 30, 2015

January 30, 2015

Posted by **OIan** on Tuesday, April 16, 2013 at 3:27am.

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?

- Maths -
**Steve**, Tuesday, April 16, 2013 at 11:12amC =

(9 6 8)

(7 8 9)

(14 10 13)

so add 'em up

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