Expand det C across the first row to prove that det C = det A+ det B, where[a₁₁ +b₁₁a₁₂+b₁₂a₁3 + b₁3a21a23a31A33C=a22a3212911 912a13A = 9₂1 922 A23a31 a32a33B==b₁ b₁2 b₁311a21 A22 A23[a31 A32 A33

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Answered: Expand det C across the first row to…

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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Expand det C across the first row to prove that det C = det A+det B, where [a₁₁ +b₁₁a₁₂+b₁₂_a₁3 + b₁3 a22 A23 a32 C= a21 a31 a33 911 912 913 a22 923 931 a32 933. A = 921 b₁ b₁₂ b₁3 B=a21 22 23 a31 a32 A33