For which value of k does the matrix

A = 1 k

4 8

have one real eigenvalue of multiplicity 2?

K=___?

For which value of k does the matrix

A = 1 k

4 8

have one real engenvalue of multiplicity 2?

K=___?

A = 1 k

4 8

have one real eigenvalue of multiplicity 2?

K=___?

For which value of k does the matrix

A = 1 k

4 8

have one real engenvalue of multiplicity 2?

K=___?

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