If the coefficients of the three ...| Binomial Theorem

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JEE MAIN 2023

8-4-2023 S1

Question

If the coefficients of the three consecutive terms in the expansion of $(1+x)^n$ are in the ratio $1: 5: 20$, then the coefficient of the fourth term is -

Select the correct option:

A

3654

B

1827

C

5481

D

2436

✓ Correct! Well done.

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Solution

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