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Quadratic equation
//'main' method must be in a class 'Rextester'. //Compiler version 1.8.0_111 import java.util.*; import java.lang.*; class Rextester { public static void main(String args[]) { Scanner sc=new Scanner(System.in); double a,b,c,x,y; System.out.println("Enter the three coefficients"); a=sc.nextDouble(); b=sc.nextDouble(); c=sc.nextDouble(); x=(-b+Math.sqrt(b*b-4*a*c))/(2*a); y=(-b-Math.sqrt(b*b-4*a*c))/(2*a); System.out.println("roots are"+x+"and"+y); } }
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