WAP to enter three coefficient of quadratic equation and find the roots.

// WAP to enter three coefficient of quadratic equation and find the roots.
 
 
#include<stdio.h>  
#include<conio.h>
#include<math.h>
 void main()  
 {  
 float a,b,c,d,x1=0,x2=0;
 clrscr();  
 printf("Enter coefficient of x2:\n"); 
 scanf("%f",&a); 
 printf("Enter coefficient of x:\n");     
 scanf("%f",&b); 
 printf("Enter constant:\n");     
 scanf("%f",&c); 
 d=(b*b-4*a*c);
 x1=(-b+sqrt(d))/(2*a);
 x2=(-b-sqrt(d))/(2*a);
 printf("x1 = %f\n",x1);  
 printf("x2 = %f\n",x2);  
 getch();  
 }