Write a function to get, as arguments, co-efficient of quadratic equations ax2+bx+c=0 and evaluate and display root

   1:  #include<stdio.h>

   2:  #include<conio.h>

   3:  #include<math.h>

   4:  #include<stdlib.h>

   5:  void showroots(float a,float b,float c);

   6:  void main()

   7:  {

   8:  float a,b,c;

   9:  clrscr();

  10:  printf("\nEnter co-efficient of a,b and c: ");

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

  12:  showroots(a,b,c);

  13:  getch();

  14:  }

  15:   

  16:  void showroots(float a,float b,float c)

  17:  {

  18:  float delta,root1,root2;

  19:  if(a==0)

  20:  {

  21:  printf("\nco-efficent of a cant be 0");

  22:  exit(0);

  23:  }

  24:  delta=b*b-4.0*a*c;

  25:  if(delta<0)

  26:  {

  27:  printf("\nThe equation has no real roots");

  28:  exit(0);

  29:  }

  30:  root1=(-b+sqrt(delta))/(2*a);

  31:  root2=(-b-sqrt(delta))/(2*a);

  32:  printf("\nroot1=%f\nroot2=%f",root1,root2);

  33:  }