'Set thes' diaporamas de présentation

: 1_Peruutations any arrans ement of a set n objects in agivers is called permntation

: 1_Peruutations any arrans ement of a set n objects in agivers is called permntation of the obseative (taken all ab time , donb repeat dement P( n,r )=n1/(n-r)! P( n,r )= number of permmtations , n= objects R= taken at time . Example :

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