Vijay Singh chauhan Asked a Question
November 5, 2020 9:33 ampts 30 pts
1 point IfG is a group and H is a subgroup of index 2 in G then cho0se the correct statement. A.H is a nomal subgroup of G C.His a subgroup of G B. H is not a nomal subgroup of G D. None of the above OA O B O c O D 1 point If the order of elements a, a EG are m and n respectively, then A. m=n B. n C. m=n=0 D. None of these O A O B O c OD
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  • Piyush pachauri
    Any doubt then you can ask
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  • Anonymous User
    In both questions option A is correct
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  • Piyush pachauri Best Answer
    Ans is A for both
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  • Shashi ranjan sinha
    order of an element and it's inverse are always m = n
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  • Shashi ranjan sinha
    subgroups of index 2 are always H is normal
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