2. (A) Write a friend function for adding the two complex numbers, using a single class

2. (A) Write a friend function for adding the two complex numbers, using a single class

	#include<iostream.h>
	#include<conio.h>
	class complex
	{
	public:
	int img,rel;
	void getno()
	{
	cout<<"enter the real and imaginary number:";
	cin>>rel>>img;
	}
	friend complex sum(complex,complex);
	void display();
	};
	void complex::display()
	{
	cout<<"the sum of complex number is "<<rel<<"+i"<<img;
	}
	complex sum(complex a,complex b)
	{
	complex t;
	t.rel=a.rel+b.rel;
	t.img=a.img+b.img;
	return t;
	}
	void main()
	{
	clrscr();
	complex a,b,c;
	a.getno();
	b.getno();
	c=sum(a,b);
	c.display();
	getch();
	}