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OpenStudy (anonymous):
Im stuck on these two questions Which of the following is the third term of the expansion (a + b)n? C(n, 2)an - 2b² C(n, 3)an - 3b C(n, 2)a²bn - 2 How many different ways can a club choose a committee of 4 from 15 members? 32,760 1,365 24 Need help!!!
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