Let A be a 6 x 6 matrix. Suppose A6 is equal to the zero matrix. Denote by I the identity matrix of size 6 x 6. Show that I + A is invertible, with inverse being I-A+ A² A³+ A¹ - A5. Show your work.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.8: Determinants
Problem 34E
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Linear algebra: please show all steps correctly and don't send me previous posted answer
Let A be a 6 x 6 matrix. Suppose A6 is equal to the zero matrix. Denote
by I the identity matrix of size 6 x 6. Show that I + A is invertible, with inverse being
I- A + A²
A³+ A4 - A5.
Show your work.
Transcribed Image Text:Let A be a 6 x 6 matrix. Suppose A6 is equal to the zero matrix. Denote by I the identity matrix of size 6 x 6. Show that I + A is invertible, with inverse being I- A + A² A³+ A4 - A5. Show your work.
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