Counting Principle I Group theory I If H & K are subgroups ,then HK is a subgroup if & only if HK=KH

In this Video you will understand the concept of "Counting Principle in group theory" .
I have covered complete syllabus of BSc Maths ( Specially #RTMNU ), #nagpuruniversity . You can check out the Different Playlists for topics of SEM 1, SEM 2 etc.... #bscmaths #groups #grouptheory

PLAYLIST FOR EXAMPLES ON ABELIAN GRP
https://youtube.com/playlist?list=PLmthGxpQ-7KIFe13ojIVi7kUWBJcvcFDP
PLAYLIST FOR "WHAT IS A GRP"
https://youtube.com/playlist?list=PLmthGxpQ-7KLKczzDmSL_kutkv7d0rFjf
PLAYLIST FOR THEOREMS ON GRP
https://youtube.com/playlist?list=PLmthGxpQ-7KJx53j8WhmGbHVbtUo3z_R9
PLAYLIST FOR "COMPOSITION TABLE AND MODULO"
https://youtube.com/playlist?list=PLmthGxpQ-7KL7m0wgN2YcPFL2LbVIUI2n
PLAYLIST FOR COMPLEX NUMBERS
https://youtube.com/playlist?list=PLmthGxpQ-7KL0IYMuFFKejAi2HSwUgOCz
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Видео Counting Principle I Group theory I If H & K are subgroups ,then HK is a subgroup if & only if HK=KH канала Easy Maths with Payal Ma'am