Pertanyaan

Diketahui matriks A = ( 2 0 − 1 6 ) , C = ( 0 1 8 1 ) , dan D = ( 4 11 3 − 31 ) Jika D = A B − C , tentukan matriks B .

Diketahui matriks $A = (20 - 1 6)$ , $C = (0181)$ , dan $D = (411 3 - 31)$ Jika $D = A B - C$ , tentukan matriks $B$ .

N. Indah

Master Teacher

Mahasiswa/Alumni Universitas Diponegoro

Jawaban terverifikasi

Jawaban

matriks .

matriks

Pembahasan

Jadi, matriks .

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell A to the power of negative 1 end exponent end cell equals cell fraction numerator 1 over denominator 2 cross times 6 minus open parentheses negative 1 close parentheses cross times 0 end fraction open parentheses table row 6 1 row 0 2 end table close parentheses end cell row blank equals cell 1 over 12 open parentheses table row 6 1 row 0 2 end table close parentheses end cell end table end style$

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row D equals cell A B minus C end cell row cell D plus C end cell equals cell A B end cell row cell A to the power of negative 1 end exponent left parenthesis D plus C right parenthesis end cell equals B row blank blank blank row blank blank blank end table end style

Jadi, matriks .