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Matriks A = dan B = , matriks hasil (AB) -1 adalah ....

Matriks A = begin mathsize 14px style open parentheses table row 1 2 row 1 3 end table close parentheses end style dan B = begin mathsize 14px style open parentheses table row 3 2 row 2 2 end table close parentheses end style, matriks hasil (AB)-1 adalah ....

  1. begin mathsize 14px style open parentheses table row 1 cell negative 1 end cell row cell negative 1 end cell cell 3 over 2 end cell end table close parentheses end style

  2. begin mathsize 14px style open parentheses table row 4 cell negative 3 end cell row cell negative 9 over 2 end cell cell 7 over 2 end cell end table close parentheses end style

  3. begin mathsize 14px style open parentheses table row 3 cell negative 2 end cell row cell negative 1 end cell 1 end table close parentheses end style

  4. begin mathsize 14px style open parentheses table row 5 cell negative 6 end cell row cell negative 1 end cell cell 5 over 4 end cell end table close parentheses end style

  5. begin mathsize 14px style open parentheses table row 1 cell 3 over 2 end cell row cell negative 1 end cell cell negative 1 end cell end table close parentheses end style

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A. Rizky

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

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Pembahasan

begin mathsize 14px style open parentheses open parentheses table row 1 2 row 1 3 end table close parentheses open parentheses table row 3 2 row 2 2 end table close parentheses close parentheses to the power of negative 1 end exponent equals open parentheses table row cell 3 plus 4 end cell cell 2 plus 4 end cell row cell 3 plus 6 end cell cell 2 plus 6 end cell end table close parentheses to the power of negative 1 end exponent equals open parentheses table row 7 6 row 9 8 end table close parentheses to the power of negative 1 end exponent equals fraction numerator 1 over denominator 7.8 minus 9.6 end fraction open parentheses table row 8 cell negative 6 end cell row cell negative 9 end cell 7 end table close parentheses equals open parentheses table row 4 cell negative 3 end cell row cell negative 9 over 2 end cell cell 7 over 2 end cell end table close parentheses end style

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Jika A = ( 1 2 ​ 0 3 ​ ) dan B = ( 2 1 ​ 7 4 ​ ) maka nilai dari A 2 − 2 A + B − 1 = ....

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