C++ Program to Find Roots of Quadratic Equation

Here you will get simple C++ program to find roots of quadratic equation ax2+bx+c=0.


Quadratic Equation is ax^2+bx+c=0
Enter values of a,b and c:3

Two real and distinct roots
Roots are -0.333333 and -1

5 thoughts on “C++ Program to Find Roots of Quadratic Equation”

  1. The first two conditions, where d>0 or d=0 are same. In the third condition, that is d<0, do the following:

    cout<<"Roots are complex and distinct";
    int i;
    root1= (-b +sqrt(-d)i)/(2*a);
    root2= (-b – sqrt(-d)i)/(2*a);
    cout<<"Roots are "<<root1<<" and "<<root2<<endl;

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