Question: how to solve a quadratic equation in c program?
Answer: /* This program solves the quadratic equation more completely*/ #include <stdio. h> #include <math. h> int main(void) { double a,b,c,root1,root2; printf(" Please enter a \n"); scanf("%lf",&a); printf(" Please enter b \n"); scanf("%lf",&b); printf(" Please enter c \n"); scanf("%lf",&c); if (b*b-4.