1 4 1 1 2 7 2 2 Let A = 1 4 7 8 4 2 2 Decide whether the matrix A is invertible, and if so, use the adjoint method to find its inverse. Enter as a matrix, exactly in fractional from if required, if not invertible enter "NA". A-1

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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1 41 1
2 7 2 2
Let A =
1 4 7 8
4 2 2
Decide whether the matrix A is invertible, and if so, use the adjoint method to find its inverse.
Enter as a matrix, exactly in fractional from if required, if not invertible enter "NA".
A-1 =
Transcribed Image Text:1 41 1 2 7 2 2 Let A = 1 4 7 8 4 2 2 Decide whether the matrix A is invertible, and if so, use the adjoint method to find its inverse. Enter as a matrix, exactly in fractional from if required, if not invertible enter "NA". A-1 =
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