O 2 1 1 02 O -2 102 5. Let A 0 -2 0 B 0...

Question

Question

O 2 1 1 02 O -2 102 5. Let A 0 -2 0 B 0 and C O 1 0 4 1. 1 0 4 -1 0 4 (a) Find an elementary row operation that transforms A

(b) Find an elementary row operation that transforms B into C.

(c) By means of several additional operations, transform C into I3

(d) What is the rank of the matrix A? Explain.

Answer 1

Answer #1

Ler AS a) R3> Rgs R3-R, no 21 B -2 I ON lo 4-1 | Rz” 22/-2 R3-> R3-4R2 OLI Noi doi 1 -0 0-0 o R- RI+223 ei oo R3-723/01) nr.

Answer 2

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