The two Eigen values of the matrix $\left[\begin{array}{cc}2 & 1 \\ 1 & p\end{array}\right]$ have a ratio of 3: 1 for $p=2 .$ What is another value of $p$ for which the Eigen values have the same ratio of $3: 1 ?$
(A) -2
(B) 1
(C) $7 / 3$
(D) $14 / 3$

Question ID - 156180 :-

The two Eigen values of the matrix $\left[\begin{array}{cc}2 & 1 \\ 1 & p\end{array}\right]$ have a ratio of 3: 1 for $p=2 .$ What is another value of $p$ for which the Eigen values have the same ratio of $3: 1 ?$
(A) -2
(B) 1
(C) $7 / 3$
(D) $14 / 3$

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