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(Section 2.4)
20 points
4. a. Find the diagonal entries of AB by inspection.
4
0
0
6
0
0
A =
-2
B =
1
5
- 3
0 7
3
2 6
b. Find a diagonal matrix A, given
9 0 0
A -2 = 0 4 0
10
0
1
(Section 2.5)
20 points
5. Consider an open economy with consumption matrix
1/2 1/4 1/4
C = 1/2 1/8 1/4
1/2 1/ 4 1/8
If the open sector demands the same dollar value from each product-producing
sector, which such sector must produce the greatest dollar value to meet the
demand? Is the economy productive?

4) a) For the above matrixes given multiply A matrix with Matrix B And get the values of... View the full answer

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