Binomial Expansion rth and (r+1)th term ratio (… | ExamDuo
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Terms of Binomial Expansion
Medium
Binomial Expansion rth and (r+1)th term ratio
If the coefficients of the rth term and (r + 1)th term in the expansion of (1 + x)
20
are in the ratio 1 : 2, then r is equal to
SELECT ONE OPTION
A
6
B
7
C
8
D
9
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