Question

编程计算下列公式的值,y=x-x^3/3!+x^5/5!-x^7/7!+…,精确到第n项,其中n=10,x=2.5

Answer 1

#include

void main()

{

int i,n,k,j;

double sum = 0,x;

k = 1;

x = 2.5;

j = 1;

n = 2;

for(i=1; i