21. Program to calculate and display the sum of the following series using for loop: 1/2 + 2/3 + 3/4 + ... + 99/100
Chapter 6:
Looping Structures
Programming Exercise
Problem # 21:
Write a program to calculate and display the sum of the following series using for loop:
1/2 + 2/3 + 3/4 + ... + 99/100
Solution:
#include<iostream>
#include<conio.h>
using namespace std;
int main()
{
float n1, n2, sum=0;
for(n1=1,n2=2;n2<=100;n1++,n2++)
{
sum=sum+(n1/n2);
}
cout<<"\nSum of the series is:"<<sum;
getch();
}
#include<conio.h>
using namespace std;
int main()
{
float n1, n2, sum=0;
for(n1=1,n2=2;n2<=100;n1++,n2++)
{
sum=sum+(n1/n2);
}
cout<<"\nSum of the series is:"<<sum;
getch();
}
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20. Program to calculate and display the sum of the following series using for loop: 1 + 2x + 3x^2 + 4x^3 + 5x^4
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