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Prove that the set of all 2 × 2 matrices with entries from
Chapter 2, Problem 19E(choose chapter or problem)
QUESTION:
Prove that the set of all 2 × 2 matrices with entries from R and determinant 11 is a group under matrix multiplication.
Questions & Answers
QUESTION:
Prove that the set of all 2 × 2 matrices with entries from R and determinant 11 is a group under matrix multiplication.
ANSWER:Step 1 of 4
Consider that the determinant for any set is given by,
So, e define a set such that,