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Dikethui matriks A = ( 1 − 2 − 1 3 ​ ) d an ma t r ik s B = ( 2 1 − 1 − 1 ​ ) Invers dari matriks AB adalah .....

Dikethui matriks

Invers dari matriks AB adalah .....

  1. open parentheses table row cell 4 space space space space minus 3 end cell row cell 5 space space space space minus 4 end cell end table close parentheses

  2. open parentheses table row cell negative 4 space space space minus 3 end cell row cell 5 space space space space 4 end cell end table close parentheses

  3. open parentheses table row cell 4 space space space 3 end cell row cell negative 5 space space space space minus 4 end cell end table close parentheses

  4. open parentheses table row cell negative 4 space space space space 3 end cell row cell negative 5 space space space space 4 end cell end table close parentheses

  5. open parentheses table row cell 4 space space space 3 end cell row cell 5 space space space minus 4 end cell end table close parentheses

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K. Putri

Master Teacher

Mahasiswa/Alumni Universitas Pendidikan Ganesha

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A B equals open parentheses table row cell 1 space space space space minus 2 end cell row cell negative 1 space space space space 3 end cell end table close parentheses open parentheses table row cell 2 space space space space 1 end cell row cell negative 1 space space space space minus 1 end cell end table close parentheses  equals open parentheses table row cell 4 space space space 3 end cell row cell negative 5 space space space minus 4 end cell end table close parentheses  m a k a comma  A B to the power of negative 1 end exponent equals negative open parentheses table row cell negative 4 space space space minus 3 end cell row cell 5 space space space space space space space 4 end cell end table close parentheses equals open parentheses table row cell 4 space space space space 3 end cell row cell negative 5 space space space space minus 4 end cell end table close parentheses

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