**Quadratic equation**

Write a program that calculates the real solution of the quadratic equation ax²+bx+c=0

Read in the values for the parameters a,b,c(type float).

Then the program should calculate the solution considering the following circumstances:

a=0andb=0=>Not a valid equation

a=0 and b≠0 => x=-c/b

b² -4ac < 0 => Not a Real Solution

b² -4ac >0 => x1= (-b+√(b² -4ac))/2a , x1= (-b -√(b² -4ac))/2a

Hint:The c++ function for √x is sqrt(x).

To use this function you need to includemath.has a header file#include<math.h>

**Solution-**

#include<iostream> #include<cmath> #include<cstdlib> #include<cstring> using namespace std; int main() { double a,b,c,x1,x2; char x; cout<<"enter the value of a="; cin>>a; cout<<"enter the value of b="; cin>>b; cout<<"enter the value of c="; cin>>c; cout<<"the quadratic equation is"<<a; cout<<"*x*x+"<<b; cout<<"*x+"<<c<<endl; if (a==0 && b==0) cout<<"not a valid equation"; if (a==0 && b!=0) { x1=-(c/b); cout<<endl; cout<<"root="<<x1; cout<<endl; } if ((b*b-4*a*c)>0) { x2=(b*b)-(4*a*c); x1=-b+sqrt(x2); cout<<"root="<<x1<<endl; } if ((b*b-4*a*c)<0) { cout<<"not a real root"<<endl; } system("pause"); return 0; }

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Write a C++ program to Solve Quadratic equation

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