C Program To Solve Quadratic Equatuon

C Program To Solve Quadratic Equatuon

//C Program To Solve Quadratic Equatuon
#include<stdio.h>
#include<math.h>

int main(){
  float a,b,c;
  float d,root1,root2;


  printf("Enter a, b and c of quadratic equation ax^2+bx+c:--\n");
  printf("Value of a:--");
  scanf("%f",&a);
  printf("Value of b:--");
  scanf("%f",&b);
  printf("Value of c:--");
  scanf("%f",&c);

  d = b * b - 4 * a * c;

  if(d < 0){
    printf("Roots are complex number.\n");
    printf("Roots of quadratic equation are: ");
    printf("\nRoot 1:--%.3f%+.3fi",-b/(2*a),sqrt(-d)/(2*a));
    printf("\nRoot 2:--%.3f%+.3fi",-b/(2*a),-sqrt(-d)/(2*a));
  }
  else
  if(d==0)
  {
   printf("Both roots are equal.\n");
   root1 = -b /(2* a);
   printf("Root of quadratic equation is: %.3f ",root1);
  }
  else
  {
   printf("Roots are real numbers.\n");
   root1 = ( -b + sqrt(d)) / (2* a);
   root2 = ( -b - sqrt(d)) / (2* a);
   printf("Roots of quadratic equation are: %.3f , %.3f",root1,root2);
  }

  return 0;
}