`#include<stdio.h>`

$$

int main()

{

float a, b, c, d, root1, root2;

printf("Enter the coefficients a, b and c : ");

scanf("%f %f %f", &a, &b, &c);

d = b*b - 4*a*c;

if (d==0){

printf("The roots of quardratic equation are__ %.2f", -b/(2*a));

}

else if (d>0){

root1=(-b + sqrt(d))/(2*a);

root2=(-b - sqrt(d))/(2*a);

printf("nRoot1 = %.2f",root1);

printf("nRoot2 = %.2f",root2);

}

else{

float real, imag;

real = -b/(2*a);

imag = sqrt(-d)/(2*a);

printf("nRoot1 = %.2f+%.2fi", real, imag);

printf("nRoot2 = %.2f-%.2fi", real, imag);

}

return 0;

}