Q.2 Which of the following is/are false? A subgroup H of a group G is normal...

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Q.2 Which of the following is/are false? A subgroup H of a group G is normal iff Ha Hb⇒ aH #bH # A subgroup Hof G need not to be normal if Ha Hb⇒ aH #bH IfM and N are two normal subgroups of group G and if NM = (e), then nm = mn for each n = N and me N None of these Q.2 Which of the following is/are false? A subgroup H of a group G is normal iff Ha Hb⇒ aH #bH # A subgroup Hof G need not to be normal if Ha Hb⇒ aH #bH IfM and N are two normal subgroups of group G and if NM = (e), then nm = mn for each n = N and me N None of these

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