Question

Write a C++ program using a function called sum that calculates the following summation: p=2+5 F = i2 + 5 i=1 Where n is provided by the user in the main function. The function calculates the sum and return it to the main function to display it.

Answer 1

#include<iostream>

using namespace std;

int sum(int n)

{

int sum1=0;

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

sum1+= i*i+5;

return sum1;

}

int main()

{

int n;

cout<<"\nEnter the value of n:";

cin>>n;

cout<<"\nThe sum of the numbers is :"<<sum(n);

}

CppDroid project_mayo2a.cpp Navigator Editor 1 #include<iostream> 2 using namespace std; 3 int sum(int n) 4 { 5 int sum1=0; 6 for(int i=1;i<=n; i++) 7 sum1+= i*i+5; 9 return sum1; 10} 11 int main() 12{ 13 int n; 14 cout<<"\nEnter the value of n:"; 15 cin>>n; 16 cout<<"\nThe sum of the numbers is :"<<sum(n); 17 }

CppDroid terminal Stopped Enter the value of n:5 The sum of the numbers is : 80

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