How to solve a Quadratic Equation in Java





package quardatic_equcation;

/**
 *
 * @author IPHONE14
 */
public class Quardatic_equcation {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        //progtram to calculate quardatic equcation in java programming language
       double a = 2.3, b = 4, c = 5.6;
       double root_1, root_2;
       
       double determinant = b *b -4*a*c;
       if(determinant>0){
           root_1 = (-b+Math.sqrt(determinant))/(2*a);
           root_2 = (-b+Math.sqrt(determinant))/(2*a);
           System.out.format("root_1 = %.2f and root_2 = %.2f", root_1,root_2);
           
       }else if(determinant == 0){
           root_1 = root_2 = -b/(2*a);
           System.out.format("root_1 = root_2 = %.2f;",root_1);
           
       }else{
           double real = -b/(2*a);
           double imaginary = Math.sqrt(-determinant)/(2*a);
           System.out.format("root_1 = %.2f +%.2fi", real, imaginary);
           System.out.format("\nroot_2 = %.2f +%.2fi", real, imaginary);
           
       }
        
    }
    
}

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