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Binomial Theorem question

2025 · 24 Jan · Shift 2 · Q34

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PYQ Library
JEE Main
Mathematics
Binomial Theorem
2025 · 24 Jan · Shift 2 · Q34

Binomial Theorem question

2025 · 24 Jan · Shift 2 · Q34

JEE MainMathematicsBinomial TheoremMCQ+4 / −1

Suppose

A

and

B

are the coefficients of

30^{\text {th }}

and

12^{\text {th }}

terms respectively in the binomial expansion of

(1+x)^{2 \mathrm{n}-1}

. If

2 \mathrm{~A}=5 \mathrm{~B}

, then n is equal to:

A
20
B
19
C
22
D
21

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