Suppose that A = [ A 1 , A 2 , A 3 , A 4 ] is a ( 4 × 4 ) matrix, where det ( A ) = 3 . In Exercises 7 − 12 , find det ( B ) . B = [ A 1 + 2 A 2 , A 2 + 3 A 3 , A 3 , A 4 ]
Suppose that A = [ A 1 , A 2 , A 3 , A 4 ] is a ( 4 × 4 ) matrix, where det ( A ) = 3 . In Exercises 7 − 12 , find det ( B ) . B = [ A 1 + 2 A 2 , A 2 + 3 A 3 , A 3 , A 4 ]
Solution Summary: The author explains that the determinant of the matrix B is 3.
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HOW TO FIND DETERMINANT OF 2X2 & 3X3 MATRICES?/MATRICES AND DETERMINANTS CLASS XII 12 CBSE; Author: Neha Agrawal Mathematically Inclined;https://www.youtube.com/watch?v=bnaKGsLYJvQ;License: Standard YouTube License, CC-BY