Jawab:
Matriks determinan ordo 2 x 2
Penjelasan dengan langkah-langkah:
det [ A. B ] = det 2 [C ]
det A= 3(2) -1(4) = 2
det B = 3(2) - 2(p) = 6 - 2p
det 2C = 2(2q) - 2(4) = 4q - 8
det. [ A. B ] = det 2[C}
2 (6 - 2p) = 4q - 8
12 - 4p = 4q - 8
4p + 4q = 12 + 8
4 ( p + q) = 20
p + q = 20/4 = 5
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Jawab:
Matriks determinan ordo 2 x 2
Penjelasan dengan langkah-langkah:
det [ A. B ] = det 2 [C ]
det A= 3(2) -1(4) = 2
det B = 3(2) - 2(p) = 6 - 2p
det 2C = 2(2q) - 2(4) = 4q - 8
det. [ A. B ] = det 2[C}
2 (6 - 2p) = 4q - 8
12 - 4p = 4q - 8
4p + 4q = 12 + 8
4 ( p + q) = 20
p + q = 20/4 = 5