设a1,a2为n维列向量,A为n阶正交矩阵,证明:(1)[Aa1,Aa2]=[a1,a2] (2){Aa1}={a1}

设a1,a2为n维列向量,A为n阶正交矩阵,证明:(1)[Aa1,Aa2]=[a1,a2] (2){Aa1}={a1} 设a1,a2为n维列向量,A为n阶正交矩阵,证明[Aa1,Aa2]=[a1,a2] 设A为n阶矩阵,a1,a2,a3是n维列向量,且a1不等于0,Aa1=a1,Aa2=a1+a2,A 线性代数证明题A为n阶矩阵,a1,a2,a3是n维向量,且a1不等于0,Aa1=a1,Aa2=a1+a2,Aa3=a2+ 已知A是n阶方阵,a1,a2,a3为n维列向量,且a1≠0,Aa1=a1,Aa2=a1+a2,Aa3= a2+a3,求证 设A为n阶矩阵,a1,a2,...an为n维列向量,an!=0,Aa1=a2,...Aan=0,求证 设A为三阶矩阵,三维列向量a1,a2,a3线性无关,且满足Aa1=2a1+a2+a3,Aa2=2a2,Aa3=-a2+a 求助一道线性代数题目A是n阶方阵,a1,...,an是n维列向量且an不为0,Aa1=a2 Aa2=a3 ...,Aan 设a1,a2,...as均为n维列向量,A是m×n矩阵,若a1,a2…,as线性无关,则Aa1,Aa2,……,Aas线性 设a1,a2,...,an是n维列向量空间R^n的一个基,A是任意一个n阶可逆矩阵,证明：n维列向量组Aa1,Aa2.. 设A是三阶矩阵,a1,a2,a3,都是三维向量,满足|a1,a2,a3|不等于0.已知Aa1=a1+a2,Aa2=-a1 已知n维向量a1,a2,a3,a4,a5线性无关,A是n阶可逆矩阵,证明Aa1,Aa2,Aa3,Aa4,Aa5线