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In: Math

1. If (1, -1) is an eigenvector of A with associated eigenvalue -2, and (1, 1)...

1. If (1, -1) is an eigenvector of A with associated eigenvalue -2, and (1, 1) is an eigenvector of A with associated eigenvalue 4, then what the entries of A ,a11 , a12, a21 and a22 ?

2. If A has a repeated eigenvalue, the A definitely isn't diagonalizable. (True or False)

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