Math, asked by karanrajxg, 3 months ago

If 2,-1,-3 are the eigen value of the matrix A then the eigen value of the matrix A2-21

4,1,9

2,-1,7

4,-1,-9

-2,-1,7​

Answers

Answered by gulshanpraween529
3

Answer:

isme answer is second wala

Answered by logeshkumar12
6

Answer:

2,-1,7

Step-by-step explanation:

since A is a triangular matrix,eigenvalues are the diagonals of the matrix A

A= 2 0 0

0 -1 0

0 0 -3

therefore a²-2I = [4 0 0 2 0 0

0 1 0 - 0 2 0

0 0 9] 0 0 2

solving the above gives the eigenvalue of A²-2I which are 2,-1,7

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