Suppose a Is a 2 X 2

question 158

Short Answer

Suppose A is a 2 X 2 matrix with real number entries such that AB=BA for all 2 X 2 matrices. What relationships must exist among the entries of A ?

---

Definitions:

Ohio Valley

A geographical region in the United States defined by the Ohio River, playing a significant role in early American history and the westward expansion.

Pennsylvania Provincial Council

A governing body in colonial Pennsylvania, responsible for advising the governor and implementing policy.

Spanish Missions

Religious and military outposts established by Spanish Catholics during the colonial period, primarily in the Americas, aimed at converting Indigenous peoples to Christianity and extending Spanish territory.