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10 Nov 2019
Could I please have help with part b?
(a) Let A1 0 0 (i) Show that A3-0 2 subpts (ii) Find (I - A) and (I + A + A2) and compute the product (I - A)(I A + A2). 3 subpts Hence state the inverse of (I - A) (b) Suppose A is a square matrix (of unspecified size) such that A0. From observa- tions in part (ii), write an expression for the matrix (I - A)-1 and use matrix algebra 3 subpts to confirm that (I - A)(I - A)-1- I.
Could I please have help with part b?
(a) Let A1 0 0 (i) Show that A3-0 2 subpts (ii) Find (I - A) and (I + A + A2) and compute the product (I - A)(I A + A2). 3 subpts Hence state the inverse of (I - A) (b) Suppose A is a square matrix (of unspecified size) such that A0. From observa- tions in part (ii), write an expression for the matrix (I - A)-1 and use matrix algebra 3 subpts to confirm that (I - A)(I - A)-1- I.
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Reid WolffLv2
23 Aug 2019