C Exercises: Calculate the sum of the series [ 1+x+x^2/2!+x^3/3!+....]
C For Loop: Exercise-23 with Solution
Write a program in C to display the sum of the series [ 1+x+x^2/2!+x^3/3!+....].
Sample Solution:
C Code:
#include <stdio.h>
void main()
{
float x,sum,no_row;
int i,n;
printf("Input the value of x :");
scanf("%f",&x);
printf("Input number of terms : ");
scanf("%d",&n);
sum =1; no_row = 1;
for (i=1;i<n;i++)
{
no_row = no_row*x/(float)i;
sum =sum+ no_row;
}
printf("\nThe sum is : %f\n",sum);
}
Sample Output:
Input the value of x :3 Input number of terms : 5 The sum is : 16.375000
Flowchart:
![Flowchart: Calculate the sum of the series [ 1+x+x^2/2!+x^3/3!+....]](https://www.w3resource.com/w3r_images/c-for-loop-exercises-23.png)
C Programming Code Editor:
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Previous: Write a program in C to print the Floyd's Triangle.
Next: Write a program in C to find the sum of the series [ x - x^3 + x^5 + ......].
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C Programming: Tips of the Day
Clearing a char array c
It depends on how you want to view the array. If you are viewing the array as a series of chars, then the only way to clear out the data is to touch every entry. memset is probably the most effective way to achieve this.
On the other hand, if you are choosing to view this as a C/C++ null terminated string, setting the first byte to 0 will effectively clear the string.
Ref : https://bit.ly/3uM7JnL
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