<prompt> Tafuta kinyume cha matrixanzapmatrix 9 18 -6 -12 mwishopmatrix.Ikiwa kinyume hakipo, basi ingiza matrix sifuri.  <response>: Kwa kuwa kibainishi ni 9-12 - 18-6 0, inverse haipo, kwa hivyo jibu ni sifuri matrix beginpmatrix 0 0 0 0 mwishopmatrix. 