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You are not logged in. #1 20130120 17:58:35
PermutationsNo. of permutation of n different things taken at a time when perticular things is to be always included in each arrangement isanswer Given is My solution:: Here perticular objects are always included So we arrange objects out of total objects Which can be done in Now arrange perticular objects which can be done in ways Now arrange objects Simultaneously which can be done by ways. My Doubt is why answer is given only Thanks Last edited by jacks (20130120 18:13:07) 