28 lines
922 B
Java
28 lines
922 B
Java
import java.util.Scanner;
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public class Ex9 {
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public static void main(String[] args) {
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Scanner input = new Scanner(System.in);
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double a, b, c;
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System.out.print("Enter a: ");
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a = input.nextDouble();
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System.out.print("Enter b: ");
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b = input.nextDouble();
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System.out.print("Enter c: ");
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c = input.nextDouble();
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if(a == 0)
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System.out.println("This is not a quadratic equation.");
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else{
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double discriminan = b*b - 4*a*c;
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if(discriminan > 0)
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System.out.printf("2 roots, x1=%.1f, x2=%.1f\n", (-b+Math.sqrt(discriminan))/(2*a), (-b-Math.sqrt(discriminan))/(2*a));
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else if (discriminan == 0)
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System.out.printf("1 root, x=%.1f\n", (-b+Math.sqrt(discriminan))/(2*a));
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else
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System.out.println("No real solution");
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}
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}
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}
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