How to write characteristic equation of a matrix?
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|AI-lamda| where A is the given matrix
and I be the matrix with all elements are o except diagnol are 1 is used as matrix like
1 0 0
0 1 0
0 0. 1
this matrix be I along 3×3
I ×a-- lamda. samelike above in place of 1 all elements are lamda remain in ele are zero
by this we will get an matrix =AI-lamda
by doing to find details u will get an equal is called charetherstic eq
and I be the matrix with all elements are o except diagnol are 1 is used as matrix like
1 0 0
0 1 0
0 0. 1
this matrix be I along 3×3
I ×a-- lamda. samelike above in place of 1 all elements are lamda remain in ele are zero
by this we will get an matrix =AI-lamda
by doing to find details u will get an equal is called charetherstic eq
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