Respuesta :
Answer:
C1 C2
1 15 14
2 -1 9
Step-by-step explanation:
Matrix A
A1 A2 A3
1 1 3 1
2 -2 1 0
Matrix B
B1 B2
1 2 -2
2 3 5
3 4 1
[tex]c_{11}[/tex] = 1 x 2 + 3 x 3 + 1 x 4 = 15
C1 C2
1 15 0
2 0 0
[tex]c_{12}[/tex] = 1 x (-2) + 3 x 5 + 1 x 1 = 14
C1 C2
1 15 14
2 0 0
[tex]c_{21}[/tex] = -2 x 2 + 1 x 3 + 0 x 4 = -1
C1 C2
1 15 14
2 -1 0
[tex]c_{22}[/tex] = -2 x (-2) + 1 x 5 + 0 x 1 = 9
C1 C2
1 15 14
2 -1 9
Brainliest??
Answer:
15 14
-1 9
Step-by-step explanation:
Row 1 × Column 1
(1×2) + (3×3) + (1×4) = 15
Row 1 × Column 2
(1×-2) + (3×5) + (1×1) = 14
Row 2 × Column 1
(-2×2) + (1×3) + (0×4) = -1
Row 2 × Column 2
(-2×-2) + (1×5) + (0×1) = 9
15 14
-1 9