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Consider the following linear equations -7x + 8y + 4z - 7x + (25 – k)y + 3z = 11 - 7x + 8y + (7 – k)z = 9 = k + 20

Consider the following linear equations -7x + 8y + 4z - 7x + (25 – k)y + 3z = 11 - 7x + 8y + (7 – k)z = 9 = k + 20

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Consider the following linear equations -7x + 8y + 4z = 9 -7x + (25 – k)y + 3z = 11 - 7x + 8y + (7 – k)z = k + 20
Transcribed Image Text:Consider the following linear equations -7x + 8y + 4z = 9 -7x + (25 – k)y + 3z = 11 - 7x + 8y + (7 – k)z = k + 20
b) Use row operations on ( A|b) by substracting row 1 from row 2 and row 3 respectively. Fill in the missing entries: -7 8 4 9
Transcribed Image Text:b) Use row operations on ( A|b) by substracting row 1 from row 2 and row 3 respectively. Fill in the missing entries: -7 8 4 9
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