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Let A = ( 1 3 ​ 2 4 ​ ) and B = ( 2 4 ​ 3 − 1 ​ ) . Find invers matrix A 2 − B 2 !

Let  and .

Find invers matrix !

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A. Septianingsih

Master Teacher

Mahasiswa/Alumni Universitas Gadjah Mada

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Pembahasan

table attributes columnalign right center left columnspacing 0px end attributes row cell A squared minus B squared end cell equals cell open parentheses table row 1 2 row 3 4 end table close parentheses open parentheses table row 1 2 row 3 4 end table close parentheses minus open parentheses table row 2 3 row 4 cell negative 1 end cell end table close parentheses open parentheses table row 2 3 row 4 cell negative 1 end cell end table close parentheses end cell row blank equals cell open parentheses table row 7 10 row 15 22 end table close parentheses minus open parentheses table row 16 3 row 4 13 end table close parentheses end cell row blank equals cell open parentheses table row cell negative 9 end cell 7 row 11 9 end table close parentheses end cell row cell open parentheses A squared minus B squared close parentheses to the power of negative 1 end exponent end cell equals cell fraction numerator 1 over denominator negative 81 minus 77 end fraction open parentheses table row 9 cell negative 7 end cell row cell negative 11 end cell cell negative 9 end cell end table close parentheses end cell row blank blank blank end table 

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Diketahui matriks A = ( 2 3 ​ 5 4 ​ ) , B = ( − 1 4 ​ 0 2 ​ ) , dan X = A + B. Invers matriks X adalah ....

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