Question

If A =

Answer 1

9514 1404 393

Answer:

  see below

Step-by-step explanation:

Carry out the math element by element. For example, ...

  c11 = -7a11 +3b11

  c11 = -7(8) +3(5) = -41

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Additional comment

Matrix operations like this one are easily handled by all spreadsheets and most graphing calculators. Some scientific calculators support matrix operations as well.