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in Binomial Theorem, Sequences and Series by (46.9k points)
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Show that the coefficient of the middle term in the expansion of (1 + x)2n is equal to the sum of the coefficients of the two middle terms in the expansion of (1 + x)2n - 1.

1 Answer

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Best answer

In the expansion of (1 + x)2n,

Number of terms = 2n + 1, which is odd

There is only one middle term, the 

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