C++: Write a program that computes and displays a full binomial expansion, such as (x+y)^n where only n is asked for by the user.
Answer-
C++ program.
#include <iostream>
#include <math.h>
using namespace std;
void expansion(int x, int y, int n) //function for calculating the
expansion.
{
int value = pow(x, n); //calculating first term of expansion
cout << value << " ";
for (int i = 1; i <= n; i++) //calculating and printing
remaining values of expansion
{
value = value * y * (n - i + 1)/(i * x);
cout << value << " ";
}
}
int main()
{
int x = 3, y = 4, n;
cout<<" Enter the value of n = "; //user input n
cin>>n;
expansion(x, y, n); //calling the function for expansion
calculation
return 0;
}
Screenshot of Program-
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