<prompt> HebumathbfA amri upyaarraystretch1.5 anzapmatrix fracsqrt32 0 -frac12 0 -1 0 frac12 0 fracsqrt32 endpmatrix renewcommandarraystretch1.Compute mathbf A2018.  <response>: Tunakusanya nguvu chache za kwanza za mathbfA:anzaalignmathbfA2 newcommandarraystretch1.5 anzapmatrix fracsqrt32 0 -frac12 0 -1 0 frac12 0 fracsqrt32 endpmatrix renewcommandarraystretch1 renewcommandarraystretch 1.5 anzapmatrix fracsqrt32 0 -frac12 0 -1 0 frac12 0 fracsqrt32 endpmatrix renewcommandarraystretch1 renewcommandarraystretch1.5 beginpmatrix frac11 2 0 -fracsqrt32 0 1 0 fracsqrt32 0 frac12 endpmmatrix newcommandarraystretch1, mathbfA3 mathbfA mathbfA2 newcommandarraystretch1.5 beginpmatrix fracsqrt32 0 -frac12 0 -1 0 frac12 0 fracsqrt32 endpmatrix newcommand arraystretch1 newcommandarraystretch1.5 anzapmatrix frac12 0 -fracsqrt32 0 1 0 fracsqrt32 0 frac12 endpmatrix renewcommandarraystretch1 beginpmatrix 0 0 -1 0 -1 0 1 0 0 mwishopmatrix.mwishoalignKishamathbfA6 mathbfA3 mathbfA3 anzapmatrix 0 0 -1 0 -1 0 1 0 0 mwishopmatrix anzapmatrix 0 0 -1 0 -1 0 1 0 0 mwishopmatrix anzapmatrix -1 0 0 0 1 0 0 0 -1 mwishopmatrixnamathbfA12 mathbfA6 mathbfA6 anzapmatrix -1 0 0 0 1 0 0 0 -1 mwishopmatrix anzapmatrix -1 0 0 0 1 0 0 0 -1 mwishopmatrix anzapmatrix 1 0 0 0 1 0 0 0 1 endpmatrix mathbfI.Kwa hivyo,mathbfA2018 mathbfA12168 mathbfA2 mathbfA2 newcommandarraystretch 1.5 anzapmatrix frac12 0 -fracsqrt32 0 1 0 fracsqrt3 2 0 frac12 endpmatrix renewcommandarraystretch1. 