Find the characteristic polynomial of the matrix, using either a cofactor expansion or the special formula for 3x3 determinants. [Note Finding the characteristic polynomial of a 3x3 matrix is not easy to do with just row operations, because the variable A is involved ] -206 -7 32 0 0 4 The characteristic polynomial is 23-522-22 +24 (Type an expression using A as the variable.)

Find the characteristic polynomial of the matrix, using either a cofactor expansion or the special formula for 3x3 determinants. [Note Finding the characteristic polynomial of a 3x3 matrix is not easy to do with just row operations, because the variable A is involved ] -206 -7 32 0 0 4 The characteristic polynomial is 23-522-22 +24 (Type an expression using A as the variable.)

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Find the characteristic polynomial of the matrix, using either a cofactor expansion or the special formula for 3×3 determinants. [Note:
Finding the characteristic polynomial of a 3x3 matrix is not easy to do with just row operations, because the variable A is involved.]
- 206
-732
0 0 4
The characteristic polynomial is 2-522 - 22 + 24
(Type an expression using A as the variable.)
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