Semigroup and it's theorm

[@ankitamaini3714]

Thank you so much mam for your all videos its really helpful please mam posts all the videos related to modern algebra book .. will very helpful to many people for their future

[@NidhiSharma-uk1cw]

Thank you so much for your appreciation..

[@madiyakiran4499]

Why we consider a=b while proving existence of identity is there any reason...waiting for ur reply...

[@chandumarla6722]

Mam y should we take the value of b=a..in the proof...can u plz clear my doubt

[@runsatan6804]

Very helpful