(a) # include <iostream>
using namespace std;
# include <math.h>
# factorial function
long int fact (int n)
{
long int f = 1;
for (int i = 1; i<n;i++)
f* = i;
return f;
}
// main function
int main()
{
int x,y = 1;
float sum = 0;
cout <<"Enter the value for x:";
cin>>x;
for(int i = 1; i<=6; i++)
{
sum = sum + y*((pow(x,1))/fact(i));
y* = -1;
}
cout <<"Sum = "<<Sun<<end1;
cin.get();
return();
}
(b) # include
using namespace std;
# include int main()
{
int M, L;
float sum = 0;
cout > M;
cout << “Enter the number of terms”; cin>>M;
cout << “Enter the number of terms”; cin>>L;
for (int i = 1; i<=m; i++)
sum = Sum + Pow(m,i)/i;
cout <<“Sum= ” << Sum <<end1;
cin.get();
return 0;
}