用C语言编写程序,输入一元二次方程的系数a,b,c,计算方程的根,要考虑虚...答:printf("两个不相等的实根为:x1=%d,x2=%d",x1,x2);} else if(flag==0){x1=-b/(2*a);printf("两个相等的实根为:x1=x2=%d",x1);} else {ture=-b/(2*a);virture=sqr(-flag)/(2*a);printf("两个不相等的虚根为:x1=%d+%di,x2=%d-%di",ture,virture,ture,virture);} ...
c语言求一元二次方程答:c语言求一元二次方程代码:include <stdio.h> #include <math.h> int main() { double a, b, c, delta, x1, x2, realPart, imaginaryPart; printf("请输入一元二次方程的三个系数:\n"); scanf("%lf %lf %lf", &a, &b, &c); delta = b * b - 4 * a * c; if (delt...
用C语言编程求一元二次函数的根,用3个函数分别求当判别式大于,小于...答:int main(){ float yishigen(float x,float y);float denggen(float x);float xugen();float a,b,c,p,q,k;scanf("%f,%f,%f",&a,&b,&c);p=-b/(2*a);q=b*b-4*a*c;k=sqrt(q)/(2*a);if(q>0){ yishigen(p+k,p-k);printf("x1=%f,x2=%f",p+k,p-k);} else...