Given a 4x4 matrix as follows: Row 1 (1,4,3,-6); Row 2 (4,-21,43,64); Row 3 (7,2,10,1), Row 4 (9,17,21,-28). Using Laplace Expansion, find the determinant? and find the determinant whose first row is multiplied all by a factor of 2.

Given a 4x4 matrix as follows: Row 1 (1,4,3,-6); Row 2 (4,-21,43,64); Row 3 (7,2,10,1), Row 4 (9,17,21,-28). Using Laplace Expansion, find the determinant? and find the determinant whose first row is multiplied all by a factor of 2.

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter7: Systems Of Equations And Inequalities

Section7.8: Solving Systems With Cramer's Rule

Problem 4SE: The determinant of 22 matrix A is 3. If you switch the rows and multiply the first row by 6 and the...

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Given a 4x4 matrix as follows: Row 1 (1,4,3,-6); Row 2 (4,-21,43,64); Row 3 (7,2,10,1), Row 4 (9,17,21,-28). Using Laplace Expansion, find the determinant? and find the determinant whose first row is multiplied all by a factor of 2.

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