1) ( x- y -3 2x -1 5) + ( 45 4y -3 9 x+y)= a) x= 20 b) x= 23 c) x= 10 2) C = [[1, 0], [0, 1]]. Hasil dari 3C a) [[3, 0], [0, 1]] b) [[1, 0], [0, 1]] c) [[3, 0], [0, 3]] 3) D = [[2, 3], [1, 4]]. Hasil dari a) [[2, 1], [3, 4]] b) [[2, 3], [1, 4]] c) [[2, 1], [3, 0]] 4) E = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]. Hasil dari E^2 adalah a) [[1, 2, 3], [4, 5, 6], [7, 8, 9]] b) [[1, 4, 9], [16, 25, 36], [49, 64, 81]] c) [[2, 4, 6], [8, 10, 12], [14, 16, 18]] 5) A = [[2, 3], [4, 5]] dan matriks B = [[1, 2], [3, 4]]. Hasil dari A + B adalah: a) [[3, 5], [7, 11]] b) [[3, 6], [7, 8]] c) [[3, 5], [7, 9]]
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MATEMATIKA MATRIKS
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Miftahul23
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Matematika
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