"; echo "Coefficient of b is: ".$coff_b; echo " "; echo "Coefficient of c is: ".$coff_c; echo " "; $discriminant=$b*$b-4*$a*$c;
if($discriminant>0) { echo "Roots are real and different"; echo " "; $x1=(-coff_b+sqrt($discriminant))/2*coff_a; $x2=(-b-sqrt($discriminant))/2*a; echo " The roots of the quadratic equations are $x1 and $x2"; echo " "; }
elseif($discriminant==0) { echo "Roots are real and same"; echo " "; $x1=(-b+sqrt($discriminant))/2*a; $x2=$x1; echo " The roots of the quadratic equations are $x1 and $x2"; echo " "; }
else { echo "Roots are imaginary and different"; echo " "; $rp=-b/2*a; $img=sqrt(-$discriminant)/2*a; echo " The roots of the quadratic equations are x1=$rp+$img and x2=$rp-$img"; echo " "; }
php $b=$_POST['n1']; $a=$_POST['n2']; $c=$_POST['n3']; $d=$b*$b-4*$a*$c; if($d>0) {$root1=(-$b+sqrt($d))/(2*$a); $root2=(-$b-sqrt($d))/(2*$a); echo "roots are $root1 and $root2 which are real"; } else if($d==0) {$root1=-$b/(2*a); $root2= $b/(2*a); echo "roots are $root1 and $root2 which are real and equal"; } else if($d<0) {echo "roots are imaginary"; }
";
ReplyDeleteecho "Coefficient of b is: ".$coff_b;
echo "
";
echo "Coefficient of c is: ".$coff_c;
echo "
";
$discriminant=$b*$b-4*$a*$c;
if($discriminant>0)
{
echo "Roots are real and different";
echo "
";
$x1=(-coff_b+sqrt($discriminant))/2*coff_a;
$x2=(-b-sqrt($discriminant))/2*a;
echo " The roots of the quadratic equations are $x1 and $x2";
echo "
";
}
elseif($discriminant==0)
{
echo "Roots are real and same";
echo "
";
$x1=(-b+sqrt($discriminant))/2*a;
$x2=$x1;
echo " The roots of the quadratic equations are $x1 and $x2";
echo "
";
}
else
{
echo "Roots are imaginary and different";
echo "
";
$rp=-b/2*a;
$img=sqrt(-$discriminant)/2*a;
echo " The roots of the quadratic equations are x1=$rp+$img and x2=$rp-$img";
echo "
";
}
?>
$a=$_POST["num"];
ReplyDelete$b=$_POST["num2"];
$c=$_POST["num3"];
$determinant=pow($b,2)-4*$a*$c;
$i=-1;
if($determinant>=0)
{
echo ((-$b-sqrt($determinant))/(2*$a));
echo "
";
echo ((-$b+sqrt($determinant))/(2*$a));
}
else
{echo "Non real roots
";
echo ((-$b/(2*$a))-(sqrt($determinant*$i)/2*$a));
echo "
";
echo ((-$b/(2*$a))+(sqrt($determinant*$i)/2*$a));
}
php
ReplyDelete$b=$_POST['n1'];
$a=$_POST['n2'];
$c=$_POST['n3'];
$d=$b*$b-4*$a*$c;
if($d>0)
{$root1=(-$b+sqrt($d))/(2*$a);
$root2=(-$b-sqrt($d))/(2*$a);
echo "roots are $root1 and $root2 which are real";
}
else if($d==0)
{$root1=-$b/(2*a);
$root2= $b/(2*a);
echo "roots are $root1 and $root2 which are real and equal";
}
else if($d<0)
{echo "roots are imaginary";
}
$a=$_POST["num"];
ReplyDelete$b=$_POST["num2"];
$c=$_POST["num3"];
$determinant=pow($b,2)-4*$a*$c;
$i=-1;
if($determinant>=0)
{
echo ((-$b-sqrt($determinant))/(2*$a));
echo "
";
echo ((-$b+sqrt($determinant))/(2*$a));
}
else
{echo "Non real roots
";
echo ((-$b/(2*$a))-(sqrt($determinant*$i)/2*$a));
echo "
";
echo ((-$b/(2*$a))+(sqrt($determinant*$i)/2*$a));
}