Let M2(R) be the set of 2 x 2 matrices with real number entries, i.e., - {[: :] 1ah ader}. b M2(R) = la, b, c, d e Define matrix addition and matrix multiplication in M2(R) as follows b1 di b2 d2 a1 + a2 b1 + b2 Ci + c2 d1 + d2 a1 a2 C1 C2 b1 di b2 d2 a1a2 + bịC2 a¡b2 + bịd2 Cia2 + dịc2 cıb2 + d1d2 a1 a2 C1 C2 1. Show that M2(R) is a ring under addition and multiplication defined above. [No need to show matrix addition and matrix multiplication are binary operations in M2(R).]
Let M2(R) be the set of 2 x 2 matrices with real number entries, i.e., - {[: :] 1ah ader}. b M2(R) = la, b, c, d e Define matrix addition and matrix multiplication in M2(R) as follows b1 di b2 d2 a1 + a2 b1 + b2 Ci + c2 d1 + d2 a1 a2 C1 C2 b1 di b2 d2 a1a2 + bịC2 a¡b2 + bịd2 Cia2 + dịc2 cıb2 + d1d2 a1 a2 C1 C2 1. Show that M2(R) is a ring under addition and multiplication defined above. [No need to show matrix addition and matrix multiplication are binary operations in M2(R).]
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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