__ Code:-__

#include<stdio.h>

#include<math.h>

// function for finding factorial

int fact(int n)

{

int i,f=1;

for(i=1;i<=n;i++)

f=f*i;

return f;

}

// driver function

int main()

{

int n,sum=1,i,f,X,p;

printf("Enter the value of X and n\n");

scanf("%d%d",&X,&n);

for(i=1;i<=n;i++)

{

f=fact(i);

p=pow(X,i);

if(i%2==0)

sum=sum+(p/f);

else

sum=sum-(p/f);

}

printf("Sum of the series is: %d",sum);

return 0;

}

__Output:-__

Enter the value of X and n

2 3

Sum of the series is: 0

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