How does chronological thinking help a historian when studying history? A. Chronological thinking helps the historian understand the mythology of a civilization. B. Chronological thinking helps the historian focus on important individuals in history. C. Chronological thinking helps the historian organize events in the order in which they occurred. D. Chronological thinking helps the historian understand the geography of the region.

Problema A.1. Dadas las matrices cuadradas \[ I=\left(\begin{array}{lll}1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1\end{array}\right) \quad \text { y } \quad A=\left(\begin{array}{rrr}2 & 1 & 1 \\ 2 & 3 & 2 \\ -3 & -3 & -2\end{array}\right) \text {, } \] se pide: a) Calcular las matrices \( (A-I)^{2} \) y \( A(A-2 I) \). (4 puntos). b) Justificar razonadamente que b.1) Existen las matrices inversas de las matrices \( A \) y \( A-2 I .(2 \) puntos). b.2) No existe matriz inversa de la matriz \( A-I \). (2 puntos). c) Determinar el valor del parámetro real \( \lambda \) para el que se verifica \( A^{-1}=\lambda(A-2 I) \quad(2 \) punt

One aspect of digital transformation is adopting Artificial Intelligence (AI) in business processes. However, AI is not without problems. Discuss ANY THREE (3) organisational risks as well as ANY TWO (2) customer risks associated with AI.

Find the topology generated in \( R \) by the class of all closed sub-intervals of the type \( [a, a+11 \). ( 4 Marks)

Explain the following statement "A property is said to hold almost everywhere (a.e on a set". (2 Marks)

Topological space. Let \( X=\{a, b, c, d, e\} \) and \( T=\{\phi, X,(a),\{b\},\{a, b\},(c),(a, b, c),\{a, c),\{b, c)\} \), Let \( E=(a, b \) (s). Find the closure and interior of \( E \)