Circular Arrangements (Outlining how to calculate arrangements around a circle)

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SIR, U ARE I can't believe this video was posted 7 years ago..

rajakrishnakumar
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Thank you very much sir for your video explanation! I stumbled upon this problem in university and it confused me, but now thing have become much more clearer!

ebtrabt
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that was a BRILLIANT explanation, thank you ^^

mohamedehab