Calculate expression in C++
cin - Question 15
In this question, we will see how to input the values in the variable a, b in C++ programming using the cin statement and find the result of the expression a2+2ab+b2. To know more about cin statement click on the cin statement lesson.
Q15) Write a program in C++ to input the values in the variable a, b and find the result of the expression a2+2ab+b2.
Program
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int a,b,c;
cout<<"Enter value of a ";
cin>>a;
cout<<"Enter value of b ";
cin>>b;
c=(a*a)+(2*a*b)+(b*b);
cout<<"Result="<<c;
return 0;
}Output
Enter value of a 2 Enter value of b 3 Result=25
