12. Which of the following is submonoid of (Q, *) where a*b = ab? A. (Z, *) C. ({0}, *) B. (R+, *) D. (Q-, *) 12
12. Which of the following is submonoid of (Q, *) where a*b = ab? A. (Z, *) C. ({0}, *) B. (R+, *) D. (Q-, *) 12
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![12. Which of the following is submonoid of (Q, *) where a*b = ab?
A. (Z, *) C. ({0}, *)
B. (R+, *)
D. (Q-, *)
12](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6f280a99-4e66-46f0-a6ce-cd15abccab56%2F7d7447cd-dacf-4a52-9a26-c6d4c8e9dd15%2Fxo3nx8_processed.png&w=3840&q=75)
Transcribed Image Text:12. Which of the following is submonoid of (Q, *) where a*b = ab?
A. (Z, *) C. ({0}, *)
B. (R+, *)
D. (Q-, *)
12
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