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Question

Which of the following is not a valid elementary operation?

Options :

  1. Rᵢ↔Rⱼ

  2. Rᵢ→Rⱼ+kRᵢ

  3. Rᵢ→kRᵢ

  4. Rᵢ→1+kRᵢ

Show Answer

Answer :

Rᵢ→1+kRᵢ

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