Question

The coefficeint of x power n‐2 in the polynomial (x - 1)(x - 2) .... (x – n) is
a) -1/24 n(n+1)(n-1)(3n+2)
b) 1/24 n(n²-1)(3n+2)
c) n(n+1)(2n+1)/6
d) n(n+1)(2n+1)/24​

Answer 1

Answer:

option c is the answer nenu ankunta...