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Here you get a program that calculate the solution of quadric equation......
#include <stdio.h>;
#include <conio.h>;
main()
{
float a,b,c,x1,x2,disc;
clrscr();

printf("Enter the value of a,b,c: ");
scanf("%f%f%f",&a,&b,&c);
disc = b*b - 4 * a * c ;
if(disc >0 )
{
x1= (-b + sqrt(disc))/ (2 * a);
x2 = (-b - sqrt(disc))/(2*a);
printf("\nThe root are distinct\nAndvalue are as follows:\nx1 = %f\nx2 =%f",x1,x2);
}
if(disc == 0){x1=x2=-b/(2*a);
printf("\nRoot are equal and value of x1=x2=%f",x1);
}
if(disc <0)
{
x1= -b /(2*a) ;
x2 = sqrt(fabs(disc));
printf("\nRoot are complex. Values are:\nx1=%f\nx2=%f",x1,x2);
}
getch();
}
}

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