engineering recuitment GATE CE 2023-24 Test Series Engineering Mathematics Linear Algebra Matrix Algebra
Let p and q be real numbers such that p2 + q2 = 1. The eigenvalues of the matrix \(\begin{bmatrix} p & q \\\ q & -p \end{bmatrix}\) are
1
pq and -pq
2
1 and -1
3
1 and 1
4
j and -j