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using System.Windows.Forms;
namespace QuadraticEquationSolver
{
public partial class MainForm : Form
{
private TextBox txtBoxA, txtBoxB, txtBoxC;
public MainForm()
{
InitializeComponents();
}
private void InitializeComponents()
{
txtBoxA = new TextBox();
txtBoxB = new TextBox();
txtBoxC = new TextBox();
Button btnCalculate = new Button();
btnCalculate.Text = "Calculate";
btnCalculate.Click += BtnCalculate_Click;
this.Text = "Quadratic Equation Solver";
this.Size = new System.Drawing.Size(300, 200);
this.Controls.Add(new Label() { Text = "Enter coefficients:" });
this.Controls.Add(new Label() { Text = "a:" });
this.Controls.Add(txtBoxA);
this.Controls.Add(new Label() { Text = "b:" });
this.Controls.Add(txtBoxB);
this.Controls.Add(new Label() { Text = "c:" });
this.Controls.Add(txtBoxC);
this.Controls.Add(btnCalculate);
}
private void BtnCalculate_Click(object sender, EventArgs e)
{
double a = double.Parse(txtBoxA.Text);
double b = double.Parse(txtBoxB.Text);
double c = double.Parse(txtBoxC.Text);
double discriminant = b * b - 4 * a * c;
if (discriminant > 0)
{
double root1 = (-b + Math.Sqrt(discriminant)) / (2 * a);
double root2 = (-b - Math.Sqrt(discriminant)) / (2 * a);
MessageBox.Show($"Two real and distinct roots: {root1} and {root2}");
}
else if (discriminant == 0)
{
double root = -b / (2 * a);
MessageBox.Show($"Two real and equal roots: {root}");
}
else
{
double realPart = -b / (2 * a);
double imaginaryPart = Math.Sqrt(Math.Abs(discriminant)) / (2 * a);
MessageBox.Show($"Complex roots: {realPart} + {imaginaryPart}i and {realPart} - {imaginaryPart}i");
}
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new MainForm());
}
}
}
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