Chapter 1 Problem 21 Previous Problem Problem List Next Problem 1 Point A Single Row Operation Was Performed On The M 1 (108.69 KiB) Viewed 68 times
Chapter 1: Problem 21 Previous Problem Problem List Next Problem (1 point) A single row operation was performed on the matrix on the left to produce the matrix on the right. Unfortunately, an error was made when performing the row operation. 5 -1 0 -3 3 5 8 -13 row op produces: -13 -3 -4 5 7 -4 5 First identify the row operation, then fix the error. Use R1, and R2 to represent the rows R1, R2. For example, if the operation were "add 2 times row 4 to row 6" then the answer would be " 2 * R4 + R6 → R6". If it were "swap row 4 with row 6" the answer would be "R4 4 R6". Row operation: select v Fixed right hand side:
Chapter 1: Problem 25 Previous Problem Problem List Next Problem (1 point) Given the augmented matrix 1 1 -4 -1 A = 4 5 5 5 -4 -6 -5 -2 perform each row operation in the order specified and enter the final result. First: R2 – 4R1 + R2, Second: R3 + 4R1 → R3, Third: R3 + 2R2 + R3 -
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