设3维向量空间V的两组基为α1= 2 α2=-|||-3 1 1 0-|||-α3= 2 和β1= 1 β2= 0 β3= 1 试求:-|||-4 0 1 1-|||-(1)由基β1,β2,β3到基α1,α2,α3的过渡矩阵;-|||-(2) alpha =(alpha )_(1)+2(alpha )_(2)+3(alpha )_(3) 在基β1,β2,β3下的坐标.