I need help

[mohi159]

HI I am beginner in c++ ,I need a algorithme to program this suite:
S=1-X+2X2-3X3+4X4- . . . + (-1)n n Xn

[clanmjc]

Take it one step at a time, do just the first part. 1 - x. Keep adding steps. I'll give you a hint, recursion.

[BrokenSilenceDev]

use a for loop