The ratio of the coefficient of the middle term in the expansion of (1+x)^ 20 and the sum of the coefficients...

Question

The ratio of the coefficient of the middle term in the expansion of (1+x)^ 20 and the sum of the coefficients of two middle terms in expansion of (1+x)^ 19 is__________.

Accepted Answer

1

JEE Main 2021 Mathematics question

Solution