(Choose 1 answer)
(See picture)
A. 1
B. -3
C. 0
Let A be a 2 x 2 matrix. Given that 1 and 2 are eigenvalues of A with corresponding eigenvectors [1 3] and [0 1]7.
Find the (1,2)- entry of the matrix A.
D. 2
E. none of the other choices is true
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