Which of the following is not a valid elementary operation? – McqOptions

MCQOPTIONS

1.	Which of the following is not a valid elementary operation?
A.	R<sub>i</sub> R<sub>j</sub>
B.	R<sub>i</sub> R<sub>j</sub>+kR<sub>i</sub>
C.	R<sub>i</sub> kR<sub>i</sub>
D.	R<sub>i</sub> 1+kR<sub>i</sub>
Answer» E.

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