一道线性代数题（英语）Let A be an n by n matrix with eigenvalues (inclu
一道线性代数题（英语）
Let A be an n by n matrix with eigenvalues (including multiplicities) -1,-1,4,4,4.
1.What is
2.The dimension of the row space of A is:
3.The eigenvalues of the matrix A2 of A are:
4.Is A invertible?
5.The dimension of the eigenspace of A for the eigenvalue -1 is:
6.Is A diagonalizable?
Let A be an n by n matrix with eigenvalues (including multiplicities) -1,-1,4,4,4.
1.What is
2.The dimension of the row space of A is:
3.The eigenvalues of the matrix A2 of A are:
4.Is A invertible?
5.The dimension of the eigenspace of A for the eigenvalue -1 is:
6.Is A diagonalizable?
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