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Program to find the roots of an equation ax2 + bx + c = 0

Posted By: Matheus Silva     Category: C Programming     Views: 32732

Write a program to find the roots of an equation ax2 + bx + c = 0.

Code for Program to find the roots of an equation ax2 + bx + c = 0 in C Programming

#include<stdio.h>
#include<conio.h>
#include<math.h>

int main()
{
    float a,b,c,alf,bt,dlt;
    clrscr();

    printf("\n Enter a: ");
    scanf("%f",&a);

    printf("\n Enter b: ");
    scanf("%f",&b);

    printf("\n Enter c: ");
    scanf("%f",&c);

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

    if(dlt==0)
    {
        printf("\n ALPHA=BETA=%f",-b/(2*a));
    }
    elseif(dlt<0)
    {
        printf("\n Imaginary Roots");
    }
    else
    {
        alf=(-b+sqrt(dlt))/(2*a);
        bt=(-b-sqrt(dlt))/(2*a);
        printf("\n\n Alpha = %f\n Beta=%f\n",alf,bt);
    }

    getch();

    return 0;
}

Output:

(1)

Enter a: 12

Enter b: 2

Enter c: 34

Imaginary Roots


(2)

Enter a: 2

Enter b: 6

Enter c: 2

Alpha = -0.381966
Beta = -2.618034


(3)

Enter a: 2

Enter b: 4

Enter c: 2

ALPHA=BETA= -1.000000
  
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Matheus  Silva
Matheus Silva author of Program to find the roots of an equation ax2 + bx + c = 0 is from Salvador, Brazil.
 
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