4. B. SOLVE QUADRATIC EQUATIONS FOR THE GIVEN VALUES OF A,B,C.

4. B. SOLVE QUADRATIC EQUATIONS FOR THE GIVEN VALUES OF

A,B,C.

SOURCE CODE:

#include<stdio.h>

#include<conio.h>

#include<math.h>

#include<process.h>

void main() {

float a,b,c,root1,root2;

float realp,imagp,disc;

//clrscr();

printf("\n\t\t******** ROOTS OF QUADRATIC EQUATION *******\n");

printf("Enter the values to a,b and c :- ");

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

if(a==0||b==0||c==0) {

printf("Error:Roots cannot be determined\n");

exit(1);

}

else

{

disc=b*b-4.0*a*c;

if(disc<0) {

printf("Imaginary Roots\n");

realp=-b/(2.0*a);

imagp=sqrt(abs(disc))/(2.0*a);

printf("Root1 = %f +i %f\n",realp,imagp);

printf("Root2 = %f -i %f\n",realp,imagp);

}

else if(disc == 0) {

printf("Roots are real and equal\n");

root1=-b/(2.0*a);

root2=root1;

printf("Root1 = %f\n",root1);

printf("Root2 = %f\n",root2);

}

else if(disc >0) {

printf("Roots are real and distinct\n");

root1=(-b+sqrt(disc))/(2.0*a);

root2=(-b-sqrt(disc))/(2.0*a);

printf("Root1 = %f\n",root1);

printf("Root2 = %f\n",root2);

}

}

//getch();

}

Posted in: I_Sem_C_Lab