Hssc Permutations & Combination Advance Math| class-3

Hello
This is Poonam kaliramna.
This class is about permutations and combination.
In this we prepare a base for our chapter.
It is very necessary for those students who never study these topics.
In this video we talk about the following .
1) what is factorial
2)how factorial is calculated
3) how to add , subtract , multiply and divide the terms of factorial.
4) what is the meaning of permutations and combination.
5) what is the use of permutations and combination in our daily life.
l hope it will help you.
thanks

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