<HTML>
<HEAD>
</HEAD>
<script language = "JavaScript">
<!-- Ukrycie przed przegladarkami nie obsługujacymi Javascript
document.write ("<H2>Rownanie kwadratowe</H2>");
document.write ("<br>");
var A = prompt ("Podaj A rownania Ax^2+Bx+C=0 ", "");
var B = prompt ("Podaj B rownania Ax^2+Bx+C=0 ", "");
var C = prompt ("Podaj C rownania Ax^2+Bx+C=0 ", "");
var delta = B*B-4*A*C;
if (delta < 0)
{
document.write ("Rownanie nie ma rozwiazan");
}
else
{
if (delta == 0)
{
document.write ("Rozwiazanie ma liczbe x= ", -B/(2*A) )
}
else
{
document.write ("<H3> Rozwiazaniem sa liczby </H3> x1 = ", (( -B + Math.sqrt(delta))/(2*A)));
document.write (" <br> x2= ", ((-B - Math.sqrt(delta))/(2*A)));
}
}
// Koniec kodu JavaScipt -->
</SCRIPT>
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