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Which of the following would be the coefficient of the third term of a binomial to the seventh power? A. 10 B. 15 C. 21

Which of the following would be the coefficient of the third term of a binomial to the seventh power? A. 10 B. 15 C. 21
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2 votes
Which of the following would be the coefficient of the third term of a binomial to the seventh power?

A. 10
B. 15
C. 21

asked
User Mysuperass
by
8.0k points

1 Answer

3 votes
Coefitient of a binomial expansion is given by nCr
Here, n = 7, r = 3 - 1
7C2 = 21
answered
User Elysia
by
8.1k points
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