Q167
The condition for which the eigen values of the matrix \[ A = [ array*20c 2&1 \\ 1& k array ]\] are positive, is
The condition for which the eigen values of the matrix {\text{A}} = \left[ {\begin{array}{*{20}{c}}
2&1 \\
1&{\text{k}}
\end{array}} \right] are positive, is
A.
k >
AnswerB.
k > -2
C.
k > 0
D.
k < -
Answer: Option A
Solution
Answer: Option A
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