CSIR NET Mathematics December-2011| Linear Algebra, Q-74; Part C | Eigenvalues of Matrix #mathtecz

In this video, we are going to solve a question of Linear Algebra from CSIR NET Mathematics December 2011. The question is from Part C. The question is from the topic Eigenvalues of Matrix #mathtecz,

[reshambhardwaj]

thanks sir. more videos like this are required from you

[toothpastedinnr]

You said that the sum and difference in the matrices do not necessarily respect the sum and difference of eigenvalues why then in this case it holds true?