Distribution of Things | Permutations and Combination | Class 11 & 12 MATHS | JEE 2023 | Keshav sir

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Chapter: Permutation and Combination
Pre-requisites: Basic Formulae of Permutation, Basic formulae of Combination

This video is focused on the concept of Distribution of Things. This video explains the three different cases of distribution, First Case: Distinct Things are distributed in Distinct Objects when Empty Boxes are allowed. Second Case: Distinct Things are distributed in Distinct Objects when Empty Boxes are not allowed. Third Case: Identical Things are distributed in Distinct Objects when Empty Boxes are allowed. The questions from this concept are frequently asked in JEE and other competitive examinations.

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[Gautamsingh_creativity]

Please clear all aspect like how u introduce principle of inclusion and exclusion formula explain every aspects regarding ur content it seems that when u are explaining principal of inclusion and exclusion u r in hurry or u dont want to face how to explain from where u had got that formula u r explaining to whole country so please be sure every aspect should be clear and cut

[nehakalani]

This is a classic example of the failed Indian education system. A teacher needs to know the concept, but more importantly, a teacher needs to know how to teach. Clearly this professor here is unskilled at the latter (teaching). We need a systematic approach to feeding teachers into these institutes, no student in their 11th or 12th grade should have to waste their time on teachers like these.

Notice how this guy takes time from 10:00 to 12:50 just to explain what partitions mean, which material they can be made of, how the objects are lying on the floor and not flying in the sky. This is not only not explaining the core concept of why at all partitioning is even important here, but is also breaking a student's flow of understanding the concept. Just really bad.

[donotbebiased]

If 1 object occupy 1 box then there r (r-1) boxes left that other objects take then other object occupy other box then (r-2) options left so on...conclusion there should be r! Ways

[shubhamchaudhary]

I am an engineering graduate. I found this explanation too complicated. School going students may find it more confusing and complicated. Basic real life example could have been used here for visualisation.

[pawnraz]

What a waste! Instead of explaining the concepts he goes like "ye hai formula, ratt le"

[thesmartone]

Give notes faster 1st. Please forward to the team.