A subset H of a group(G,*) is a group if
A. | a,b ∈ H ⇒ a * b ∈ H |
B. | a ∈ H⇒ a-1 ∈ H |
C. | a,b ∈ H ⇒ a * b-1 ∈ H |
D. | H contains the identity element |
Answer : C Explanation : |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |