Question 3 12.5 pts Def: A matrix is a rectangular array of numbers. The dimensions of a matrix are written as rows x columns. 3 2 4 7 Q: A = 2 0 and B = 0 0 are both 3x2 matrices. 1 5 1 2 Question: Use the two matrices from above to nd 2A B. For more information on this topic, look in your textbook at section 8.3. You might also want to look at the lecture notes 3, on Canvas. 0 3 3 4 0 3 12 D 2 3 4 0 3 8 O 2 3 4 0