8. If * -2 1 -3 A = 12 3 10 7 1 -4 and 0. 1 7 B = 2 -3 1 3 8. 7 Then tr(2AT + 3B) = None 12 -6 O -4 -12
8. If * -2 1 -3 A = 12 3 10 7 1 -4 and 0. 1 7 B = 2 -3 1 3 8. 7 Then tr(2AT + 3B) = None 12 -6 O -4 -12
Chapter10: Polynomials
Section10.1: Add And Subtract Polynomials
Problem 10.15TI: Subtract: (4n27n3)from (8n2+5n3).
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Transcribed Image Text:8. If *
-2
1
-3
A =
12
3
10
7
1
-4
and
1
7
B =
2
-3
1
3
7
Then tr(2AT + 3B) =
None
12
-9-
O -4
4
O -12
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