In how many ways can a photographer at a wedding arrange 6people in a row from a

Question

In how many ways can a photographer at a wedding arrange 6people in a row from a group of 10 people, including the bride andgroom, if a) the bride must be in the picture? b) if both the bride and groom must be in the picture? c) either the bride or the groom (but not both) must be in thepicture? In how many ways can a photographer at a wedding arrange 6people in a row from a group of 10 people, including the bride andgroom, if a) the bride must be in the picture? b) if both the bride and groom must be in the picture? c) either the bride or the groom (but not both) must be in thepicture?

Explanation / Answer

Try this 10 people and 6 ina row would be p(10&6) = 151200A.1xP(9&5) =15120B.    2!xP(8&4) = 3360C. 15120 + 15120 =30240

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