Calculates Quadratic Formula
This code applies the quadratic formula to an equation and derives the variable value given the three coefficients.
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Source Code
#include <iostream.h>
#include <math.h>
void main()
{
double A;
double B;
double C;
double disc;
cout << "Enter A: ";
cin >> A;
cout << "Enter B: ";
cin >> B;
cout << "Enter C: ";
cin >> C;
disc = B*B - 4*A*C;
if (disc < 0){
cout << "Imaginary results: " << endl;
cout << "(" << B * (-1) << " + " << sqrt(disc * (-1)) << "i) / " << 2*A << endl;
cout << "(" << B * (-1) << " - " << sqrt(disc * (-1)) << "i) / " << 2*A << endl;
}
else if (disc == 0){
cout << "Single result: " << (-B)/(2*A) << endl;
}
else{
cout << "Two results: " << endl;
cout << (B * (-1) + sqrt(disc)) / (2*A) << endl;
cout << (B * (-1) - sqrt(disc)) / (2*A) << endl;
}
}
Original Comments (3)
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