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1 | /* C programme to solve quadractic equation , (for real roots only/ when b²-4ac >= 0 , for ax²+bx+c=0 */ | |
2 | #include<stdio.h> | |
3 | #include<math.h> | |
4 | int main(void) | |
5 | { | |
6 | /* [ ax²+bx+c=0 ] */ | |
7 | float a,b,c,x1,x2; | |
8 | printf("Please enter the value of a:\n"); | |
9 | scanf("%f",&a); | |
10 | printf("Please enter the value of b:\n"); | |
11 | scanf("%f",&b); | |
12 | printf("Please enter the value of c:\n"); | |
13 | scanf("%f",&c); | |
14 | x1=((-b)+sqrt((b*b)-(4*a*c)))/(2*a); | |
15 | x2=((-b)-sqrt((b*b)-(4*a*c)))/(2*a); | |
16 | printf("First root is: %f\n",x1); | |
17 | printf("Second root is: %f\n",x2); | |
18 | return 0; | |
19 | } |