[1 х х]Let A = x 1 x. Find all values of x such that det(A) = 0. (HINT: First use row echelonLx xoperations to turn the first column into 0, then use determinant rules to find the determinant moreeasily.)

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[1 х х] Let A = x 1 x. Find all values of x such that det(A) = 0. (HINT: First use row echelon Lx x 1] operations to turn the first column into 0, then use determinant rules to find the determinant more easily.)

[1 х х] Let A = x 1 x. Find all values of x such that det(A) = 0. (HINT: First use row echelon Lx x 1] operations to turn the first column into 0, then use determinant rules to find the determinant more easily.)

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter4: Systems Of Linear Equations

Section: Chapter Questions

Problem 415PT: Solve using Cramer’s rule. 415. Evaluate the determinant by expanding by minors: |322214103|

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Question

[1 х х]
Let A = x 1 x. Find all values of x such that det(A) = 0. (HINT: First use row echelon
Lx x
operations to turn the first column into 0, then use determinant rules to find the determinant more
easily.)

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