# Write a c/c++ code that will calculate the roots of a quadratic equation a^2+ bx+c=0 Hint: d = sqrt (b2-4ac), and the roots are: x1 = (–b + d)/2a and x2 = (–b – d)/2a (use sqrt function from cmath.h )

#include<iostream>
#include<conio.h>
#include<cmath>
using namespace std;
int main()
{
float a,b,c,diff,X1,X2;
char yes='y';
char no='n';
cout << "\t\t\t Problem-1\n\n";        // user prompt
while(yes!=no)                            // Starting and conditon of loop.
{
cout<<"Please Enter the Value of A = ";
cin>>a;
cout<<"Please Enter the Value of B = ";
cin>>b;
cout<<"Please Enter the Value of C = ";
cin>>c;
diff=(b*b)-(4*a*c);
if(diff==0)
{
X1=(-b)/(2*a);
X2=X1;
cout<<"\nThe Roots are Simple and Equal";
}
if(diff>0)
{
X1=-(b+sqrt(diff))/(2*a);
X2=-(b-sqrt(diff))/(2*a);
cout<<"\nThe Roots are Complex and Not Equal";
}

if(diff<0)
{
X1=(-b)/(2*a);
X2=sqrt(-diff)/(2*a);
cout<<"\nThe Roots are Complex and Not Equal";
}
cout<<"\nThe X1 is = "<<X1;
cout<<"\nThe X2 is = "<<X2;
cout<<"\nDo you want to re-calculate? if yes then press \"y\" else press \"n\""; //user prompt
cin>>yes;
}
getch();
}