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OpenStudy (anonymous):
Do I just add this up normally? http://oi41.tinypic.com/nnjxa8.jpg I don't know what this thing is, or if I need to add the numbers inside of it in a special way. I'm guessing that the second answer is correct. Am I right?
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OpenStudy (anonymous):
Yes you are right. You can add the corresponding elements of matrices when they are of the same order.
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