Deepak patra Asked a Question
December 27, 2021 11:20 ampts 30 pts
is it a true statement?????????????if H and H, ate subgroups ofa group G then H,H, = {hh e Gh e H, h e H,} isasubgroup ofG. ITIFR-2012]
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  • Anuj s. thankyou
    In general, the product of two subgroups S and T is a subgroup if and only if ST = TS, and the two subgroups are said to permute. (Walter Ledermann has called this fact the Product...
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  • Deepak patra
    that means in case of non abelian group G the result fails ???. here the statement is true or false????
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    Ishu 1
  • Ishu 1
    products of two subgroups is subgroup if H1H2=H2H1
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