# C program to find sum of series 1+x+x^2+……+x^n

#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int i,n;
float x,sum=0;
clrscr(); //to clear the screen
printf(“1+x+x^2+……+x^n”);
printf(“nnEnter the value of x and n:”);
scanf(“%f%d”,&x,&n);

for(i=1;i<=n;++i)
sum+=pow(x,i);
sum++;
printf(“nSum=%f”,sum);
getch(); //to stop the screen
}

### 15 thoughts on “C program to find sum of series 1+x+x^2+……+x^n”

1. x^2+2x+c Hello anyone have this equation program plz send me to my mail [email protected]

1. #include
#include
void main()
{
int i,n,x,sum=0;
printf(“x+x^2+……+x^n”);
printf(“\n Enter the of x and n:\n”);
scanf(“%d%d”,&x,&n);

for(i=1; i<=n;i++)
{
sum=sum+x*i;

}
printf("\n Sum=%d",sum);

getch();
}

2. hellp can anyone help for solution of this sum S=2+4+6+8+16+32+…..
Please can sent me to [email protected]

3. you are really good

4. I need in output 1+x+x^2+x^3+………

5. Why did you used x as an float?
since i used it as int and my result changed ony for x=5 and n=2 as 30 instead of 31!

6. 1. Write an algorithm, draw a flow chart and write a program write a program in ‘C’ to design the following output

a b c d e d c b a
a b c d d c b a
a b c c b a
a b b a
a a

2. Write an algorithm, draw a flow chart and write a program in ‘C’ to find sum of series 1 + 1/x + 1/x2 + 1/x3 + 1/x4 + …….. + 1/xn

3. Write an algorithm, draw a flow chart and write a program in ‘C’ to find sum of the series of entered number (Exponential Series).
sum = 1 + x + x2/2! + x3/3! + x4/4! +………….N.

4. Write an algorithm, draw a flow chart and write a program in ‘C’ to Compute the following series (SINE SERIES).
sum = x – x3/3! + x5/5! – x7/7! + ……………N

5. Write an algorithm, draw a flow chart and Write a program in C to generate Electricity Bill

unit consumed Rate/Unit
0 – 30 Rs 0.75 /unit
31 – 100 Rs 2.40 /unit excess of 200 units
101 – 200 Rs 3.00 /unit excess of 400 units
above 201 Rs 4.60 /unit excess of 600.

6. Write an algorithm, draw a flow chart and Write a program in ‘C’ to calculate number of vowels, consonants, spaces, words in a given string.

7. Write an algorithm, draw a flow chart and Write a program in ‘C’ to check entered string is palindrome or not.

8. Write an algorithm, draw a flow chart and Write a program in ‘C’ to search a string from the given list of string.

9. Write an algorithm, draw a flow chart and write a program to find factorial of given number using recursion.

10. Write an algorithm, draw a flow chart and write a program to minimum or maximum number in an array.

7. Write the C plus plus program to sum of the given sequence 2/9_5/13+8/17… Please give me answer anybody.

8. Write c aprogram x+x^3+x^….+x^n

9. how to use this C program to find sum of series 1+x+x^2+……+x^n using function.

10. tasnim kausar

its really good

11. Deborah Nancy Patra

12. 13. 