Binomial Coefficients and Term Relations (JEE M… | ExamDuo
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General term and middle term of binomial expansion
Medium
Binomial Coefficients and Term Relations
Suppose A and B are the coefficients of 30
th
and 12
th
terms respectively in the binomial expansion of (1 + x)
2n–1
. If 2A = 5B, then n is equal to:
SELECT ONE OPTION
A
22
B
21
C
20
D
19
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