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If A = [[1,2],[3,4]] and B = [[5,6],[7,8]], find A + B:

A[[6,8],[10,12]]
B[[5,12],[21,32]]
C[[1,8],[3,12]]
DCannot add
Answer & Solution
Correct answer: A. [[6,8],[10,12]]
**Matrix addition:** add corresponding elements. [[1+5, 2+6],[3+7, 4+8]] = [[6,8],[10,12]].
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