If [1,0,−1]T is an eigen vector of the following matrix \left[ {\begin{array}{*{20}{c}}
1&{ - 1}&0 \\
{ - 1}&2&{ - 1} \\
0&{ - 1}&1
\end{array}} \right] then corresponding eigen value is
How many of the following matrices have an eigen value 1? \left[ {\begin{array}{*{20}{c}}
1&0 \\
0&0
\end{array}} \right],\left[ {\begin{array}{*{20}{c}}
0&1 \\
0&0
\end{array}} \right],\left[ {\begin{array}{*{20}{c}}
1&{ - 1} \\
1&1
\end{array}} \right]{\text{ and }}\left[ {\begin{array}{*{20}{c}}
{ - 1}&0 \\
1&{ - 1}
\end{array}} \right]
We have a set of 3 linear equations in 3 unknowns. 'X ≡ Y' means X and Y are equivalent statements and 'X ≡ Y' means X and Y are not equivalent statements.
P : There is a unique solution.
Q : The equations are linearly independent.
R : All eigen values of the coefficient matrix are nonzero.
S : The determinant of the coefficient matrix is nonzero.
Which one of the following is TRUE?
Consider the following simultaneous equations (with c1 and c2 being constants):
3x1 + 2x2 = c1
4x1 + x2 = c2
The characteristics equation for these simultaneous equations is
For the matrix {\text{A}} = \left[ {\begin{array}{*{20}{c}}
3&{ - 2}&2 \\
0&{ - 2}&1 \\
0&0&1
\end{array}} \right], one of the eigen values is equal to -2. Which of the following is an eigen vector?
For the matrix \left[ {\begin{array}{*{20}{c}}
4&2 \\
2&4
\end{array}} \right] the eigen value corresponding to the eigen vector \left[ {\begin{array}{*{20}{c}}
{101} \\
{101}
\end{array}} \right] is
Consider the 5 × 5 matrix {\text{A}} = \left[ {\begin{array}{*{20}{c}}
1&2&3&4&5 \\
5&1&2&3&4 \\
4&5&1&2&3 \\
3&4&5&1&2 \\
2&3&4&5&1
\end{array}} \right]
It is given that A has only one real eigen value.
Then the real eigen value of A is