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Question

Physics Question on Mathematical Methods

Consider the 2 X 2 matrix M= (0a ab)\begin{pmatrix} 0 & a \\\ a & b \end{pmatrix}, where a,b>\gt0. Then,

A

M is a real symmetric matrix

B

One of the eigenvalues of M is greater than b

C

One of the eigenvalues of M is negative

D

Product of eigenvalues of M is b

Answer

M is a real symmetric matrix

Explanation

Solution

The correct option is (A): M is a real symmetric matrix, (B): One of the eigenvalues of M is greater than b and (C): One of the eigenvalues of M is negative