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[ 2. Let A =-5 3 -9 6. 15 –10 - -11 (a) Put A in reduced row echelon form (over R). (b) Use your answer from part (a) to find N(A). (c) Is A singular or nonsingular? Briefly justify your answer. 4.

[ 2. Let A =-5 3 -9 6. 15 –10 - -11 (a) Put A in reduced row echelon form (over R). (b) Use your answer from part (a) to find N(A). (c) Is A singular or nonsingular? Briefly justify your answer. 4.

Algebra and Trigonometry (6th Edition)
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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3 -9 2. Let A = -5 15 -10 4 -11 7 (a) Put A in reduced row echelon form (over R). (b) Use your answer from part (a) to find N(A). (c) Is A singular or nonsingular? Briefly justify your answer.
Transcribed Image Text:3 -9 2. Let A = -5 15 -10 4 -11 7 (a) Put A in reduced row echelon form (over R). (b) Use your answer from part (a) to find N(A). (c) Is A singular or nonsingular? Briefly justify your answer.
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aThe given matrix:A=3-96-515-104-117We need to find the row reduced echelon form of A.3-96-515-104-117Applying the operation: R1→R131-32-515-104-117Applying the operation: R2→R2+5R11-320004-117Applying the operation: R3→R3-4R11-3200001-1Applying the operation: R2↔R31-3201-1000Applying the operation: R1→R1+3R210-101-1000which is the row reduced echolon form.

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