JEE Main 2016 (22)

Algebra Level 5

$\dfrac{25!}{x(x+1)(x+2)\cdots(x+25)}=\sum_{i=0}^{25}\dfrac{A_{i}}{x+i}$

The equation above holds true for constants $A_1, A_2, \ldots , A_{25}$ . Find the sum of digits of the number $A_{24}$ .

Notation:
$!$ denotes the factorial notation. For example, $8! = 1\times2\times3\times\cdots\times8$ .

7 None of these 13 11 6 9