Permutations where letters are repeated in a word : ExamSolutions

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Tutorial on permutations where letters are repeated in a word.

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Now I know how and why dividing eliminates repetition. In the past, I'm always just remembering this.

oneinabillion
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only video i've seen so far on youtube that explains why the formula is the way it is. Thank you

oyindenyafatarakeme
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Thanks ! I was about to go crazy thinking over this and now I know how to do it. THANKS !

ThisaruMahadurage
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b/c of u im passing math and going to a good university... thanks plenty

RedApple
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You are really a very good teacher your concepts about the topic are easy and well explained

erasmith
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my math professor needs lesson from you !!!!

wssz
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great video. helped me so much. i would suggest adding links relating different lessons about the same topics to make it a little bit easier. 

sherifyousef
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Trust me.. You ought to get more subscribers and viewers..

dinilkk
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now I KNOW angles exist! lol thanks for making this so clear!

leonardobriceno
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Put brackets around the denominator 9! / (2!x3!x2!)

ExamSolutions_Maths
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helpful... why would anyone dislike this?

Alexbrandt
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Is this video an example of "Order matters, repetition allowed" ?? Confused.

sadaquekhan
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Hi, in the second example I get 2177280.

9! / 2!x3!x2!

What did I do wrong?

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