Write a program to find the solutions of the given quadratic equation using function.

Source Code

#include<stdio.h>
#include<conio.h>
#include<math.h>
void quadratic(float a,float b,float c)
{
  float t,r1,r2;
  t=(b*b)-(4*a*c);
  printf("\n The roots of the quadratic equation %fx2+%fx+%f are:",a,b,c);
  if(t==0)
  {
    r1=(b*-1)/(2*a);
    printf("\n only one root : %f",r1);
  }
  else if(t<0)
  {
    printf(" imaginary.");
  }
  else
  {
    r1=((b*-1)+sqrt(t))/(2*a);
    r2=((b*-1)-sqrt(t))/(2*a);
    printf(" %f and %f",r1,r2);
  }
}
int main (int argc, char *argv[])
{
  clrscr();
  float a,b,c;
  printf("\n Enter the co ordinates of the quadratic equation:");
  printf("\n Enter the value preceding x2: ");
  scanf("%f",&a);
  printf("\n Enter the value preceding x: ");
  scanf("%f",&b);
  printf("\n Enter the numeric value: ");
  scanf("%f",&c);
  quadratic(a,b,c);
  getch();
}

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