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es video me humne homomorphism ke bare me btya h

ese phele hum or bhi theorem or proved kara chuke h jinka link aap ko hum nichrle diya h
ye video m.sc first year semester wise students ke liye khafi important h
es video me humne ek important theorem prove karai h jo aane bale exam ke liye kafi important h

THEOREM 1 :- A subgroup H of a group G is normal iff xHx^-1=H for every , x∈G video link:-   • A subgroup H of a group G is normal iff  x...  

THEOREM 2 :- A subgroup H of a group G is normal subgroup of G every left coset of H in G a right coset of H in G
Video Link:-    • A subgroup H of a group G is normal subgro...  

4 Important theorem link:-   • M.sc first year advance abstract algebra G...  
#homomorphism
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1) m.sc first year important theorem
2) A subgroup H of a group G is normal iff xHx^-1=H for every , x∈G
3) important theorem
4) m.sc first year semester advance abstract algebra
5) xhx^-1= H
6) (Hx)(Hy)= Hxy
a subgroup h of a group g is normal if and only if
a subgroup h of a group g is normal if and only if the product of two right cosets of H in G is again right coset of H in G

theorem of normal subgroup
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math study with Pradum