Question #191352

Assume that A and B are matrices of the same size. Determine an expression for A if 2A − B = 5(A + 2B)


1
Expert's answer
2021-05-11T09:06:03-0400

Given expression is-


2A−B=5(A+2B)2A−B=5A+10B3A=−11BA=−113B2A-B=5(A+2B) \\[9pt] 2A-B=5A+10B \\[9pt] 3A=-11B \\[9pt] A=\dfrac{-11}{3}B


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