jayrobinson258
jayrobinson258
21-08-2017
Mathematics
contestada
I need help help me quickly
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musiclover10045
musiclover10045
21-08-2017
C(15,3) =15!(3!(15−3)!) =15!(3!(15−3)!)
= \{15!}{( 3! (15 - 3)! )} = 455
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