Question: Elementary Matrices If we perform a single row operation on an identity matrices, we obtain an elementary matrix E1nt ERcph or Escale Find the elementary

Elementary Matrices If we perform a single row operation on an identity matrices, we obtain an elementary matrix E1nt· ERcph or Escale· Find the elementary matrices for each of the following row operations on I3.
(a) Interchange rows 1 and 2 (Eint).
(b) Add k limes row 1 lo row 3 (ERepl).
(c) Multiply k times row 2 (EScale).

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