Tolong di bantu dong pakai cara nya yah

Tolong di bantu dong pakai cara nya yah

Jawaban:

$left[begin{array}{ccc}-3&-5\1&2end{array}right]$

Penjelasan:

$frac{1}{(-2).3 - (-5).1} left[begin{array}{ccc}3&5\-1&-2end{array}right] \=-frac{1}{1} left[begin{array}{ccc}3&5\-1&-2end{array}right] \=left[begin{array}{ccc}-3&-5\1&2end{array}right]$

Gambar Jawaban