Let Aa4 =[a₁ a2 a3 a4], and suppose that x = (4, -7, 9, 1) is in null(A). Write a4 as a linear combination of the other three vectors.-4a1 + 7a2 – 9a3=

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Answered: Let A = [a₁ a2 a3 a4], and suppose that…

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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Let A = [a₁ a2 a3 a4], and suppose that x = (4, -7, 9, 1) is in null(A). Write a4 as a linear combination of the other three vectors. a4-4a1 + 7a2-9a3