<html>
<head>
<title>Mencari persamaan kuadrat</title>
</head>
<body><body bgcolor=grey><font color=black>
<script language="JavaScript">
<!--
function akar(a,b,c)
{
var hasil = (b*b)-(4*a*c);
return(hasil);
}
var a=parseInt(prompt("Menghitung akar persamaan kuadrat \n masukan nilai A:\n"));
var b=parseInt(prompt("Menghitung akar persamaan kuadrat \n masukan nilai B:\n"));
var c=parseInt(prompt("Menghitung akat persamaan kuadrat \n masukan nilai C:\n"));
var z=akar(a,b,c);
document.write("Nilai akar kuadrat =" +z+"<BR>");
document.write("<HR>");
document.write("<BR>");
if (z>0)
{
var x1= (-b - Math.sqrt(z))/(2*a);
var x2= (-b + Math.sqrt(z))/(2*a);
document.write("Nilai x1=" + x1 + "<BR>");
document.write("Nilai x2=" + x2 + "<BR>");
document.write("<BR>");
document.write("<HR>");
alert("Succesfull");
} else
if (z==0)
{
document.write("No root real");
alert("Try Again?");
}
if (z<0)
{
document.write("No root real");
alert("Try again?");
}
//-->
</script>
</body>
</html>
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