(b) Prove that S is a subring of M(R). [Hint: If B and Care in S, show that B + C and BC are in S by computing A(B + C) and A(BC).]
(b) Prove that S is a subring of M(R). [Hint: If B and Care in S, show that B + C and BC are in S by computing A(B + C) and A(BC).]
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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