Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) What is the coefficient of `x^100` in`(1+x+x^2+x^3+..........+x^100)^3`? - Sarthaks eConnect

What is the coefficient of `x^100` in
`(1+x+x^2+x^3+..........+x^100)^3`?

What is the coefficient of `x^100` in

`(1+x+x^2+x^3+..........+x^100)^3`?

`{::}^100C_3`

`{::}^102C_3`

`{::}^102C_2`

`{::}^105C_2`