RevisãoExerc09

#include<stdio.h>
#include<stdlib.h>
#include<math.h>

int main()
{
    int i, n, sinal=-1;
    float x, a;
    printf("\ndigite x: ");
    scanf("%f", &x);
    if(x>5 || x<-5)
        printf("\nErro\n");
    else
    {
        printf("\ndigite n: ");
        scanf("%d", &n);
        for(i=2;i<=n;i++)
        {
            a+=(pow(x,i)/i)*sinal;
            sinal*=-1;
        }
        a+=x;
        printf("\na: %f", a);
    }
}