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Pertanyaan

Jika dan Maka A − 1 B = ....

Jika A equals open parentheses table row 2 1 row 5 3 end table close parentheses dan B equals open parentheses table row 1 2 row cell negative 2 end cell 1 end table close parentheses Maka ....

  1. open parentheses table row 12 1 row 7 1 end table close parentheses

  2. open parentheses table row 5 5 row cell negative 9 end cell cell negative 8 end cell end table close parentheses

  3. open parentheses table row 5 5 row cell negative 9 end cell cell negative 8 end cell end table close parentheses

     

  4. open parentheses table row cell negative 13 end cell cell negative 2 end cell row 1 11 end table close parentheses

  5. open parentheses table row cell negative 13 end cell 2 row 1 cell negative 11 end cell end table close parentheses

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A. Acfreelance

Master Teacher

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Pembahasan

A to the power of negative 1 end exponent B equals open parentheses table row 2 1 row 5 3 end table close parentheses to the power of negative 1 end exponent open parentheses table row 1 2 row cell negative 2 end cell 1 end table close parentheses  space space space space space space space space space space space space equals fraction numerator 1 over denominator 6 minus 5 end fraction open parentheses table row 3 cell negative 1 end cell row cell negative 5 end cell 2 end table close parentheses to the power of space open parentheses table row 1 2 row cell negative 2 end cell 1 end table close parentheses  space space space space space space space space space space space space equals open parentheses table row 3 cell negative 1 end cell row cell negative 5 end cell 2 end table close parentheses to the power of space open parentheses table row 1 2 row cell negative 2 end cell 1 end table close parentheses  space space space space space space space space space space space space equals open parentheses table row cell 3 plus 2 end cell cell 6 minus 1 end cell row cell negative 5 minus 4 end cell cell negative 10 plus 2 end cell end table close parentheses to the power of space  space space space space space space space space space space space space equals open parentheses table row 5 5 row cell negative 9 end cell cell negative 8 end cell end table close parentheses to the power of space

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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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