1.Write a Java program that prints all real solutions to the quadratic equation ax2 +bx+c = 0. Read in a, b, c and use the quadratic formula. If the discriminate b2 -4ac is negative, display a message stating that there are no real solutions import java.io.*; class Quadratic { public static void main(String args[])throwsIOException { double x1,x2,disc,a,b,c; InputStreamReader obj=new InputStreamReader(System.in); BufferedReader br=new BufferedReader(obj); System.out.println("enter a,b,c values"); a=Double.parseDouble(br.readLine()); b=Double.parseDouble(br.readLine()); c=Double.parseDouble(br.readLine()); disc= (b*b)-(4*a*c); if (disc==0) { System.out.println("roots are real and equal "); x1=x2=b/(2*a); System.out.println("roots are "+x1+","+x2); } else if(disc>0) { System.out.println("roots are real and unequal"); x1=(-b+Math.sqrt(disc))/(2*a); x2=(b+Math.sqrt(disc))/(2*a); System....
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