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Engineering Maths · Q38

Linear Algebra

Engineering and GATE · Engineering Maths · question 38

Q38

A matrix has eigen values -1 and -2. The corresponding eigen vectors are \[ [ array*20c 1 \\ - 1 array ]\] and \[ [ array*20c 1 \\ - 2 array ]\] respectively. The matrix is

A matrix has eigen values -1 and -2. The corresponding eigen vectors are \left[ {\begin{array}{*{20}{c}} 1 \\ { - 1} \end{array}} \right] and \left[ {\begin{array}{*{20}{c}} 1 \\ { - 2} \end{array}} \right] respectively. The matrix is
A.
\left[ {\begin{array}{*{20}{c}} 1&1 \\ { - 1}&{ - 2} \end{array}} \right]
B.
\left[ {\begin{array}{*{20}{c}} 1&2 \\ { - 2}&{ - 4} \end{array}} \right]
C.
\left[ {\begin{array}{*{20}{c}} { - 1}&0 \\ 0&{ - 2} \end{array}} \right]
D.
\left[ {\begin{array}{*{20}{c}} 0&1 \\ { - 2}&{ - 3} \end{array}} \right]
Answer

Answer: Option D

Solution

Answer: Option D
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