<prompt> Tafuta matriki ambayo inalingana na upanuzi unaozingatia asili na kipengele cha kipimo -3.  <response>: Upanuzi unaozingatia asili na kipengele cha kipimo -3 huchukua beginpmatrix 1 0 endpmatrix hadi beginpmatrix -3 0 endpmatrix, na anzapmatrix 0 1 mwishopmatrix hadi anzapmatrix 0 -3 endpmatrix, ili tumbo liweanzapmatrix -3 0 0 -3 mwishopmatrix. 