Pertanyaan

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

Let $A = (1324)$ and $B = (24 3 - 1)$ .

Find invers matrix $A^{2} - B^{2}$ !

A. Septianingsih

Master Teacher

Mahasiswa/Alumni Universitas Gadjah Mada

Jawaban terverifikasi

Pembahasan

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