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< PMG1920

function Nullstelle(p,q){
var D = p*p/4-q;
if (D>0) {
 var x1 = -p/2 + Math.sqrt(D);
 var x2 = -p/2 - Math.sqrt(D);
 console.log(x1);
 console.log(x2);
} // Ende Ja-Zweig
else if (D<0) {
 console.log("keine Nst.");
}
else {
 x1 = -p/2;
 console.log(x1);
}
}


/*   
function Nullstelle(p,q){
var D = p*p/4-q;
if (D<0) { console.log("keine Nst.")
}
else if (D=0) {
 console.log("eine Nst."); 
 var x = -p/2; 
 console.log(x);
}
else {
 console.log("zwei Nst.");
 var x1 = -p/2 + Math.sqrt(D);
 var x2 = -p/2 - Math.sqrt(D);
 console.log(x1);
 console.log(x2);
}
}
*/

Nullstelle(1,-1)

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