#include <stdio.h> #include <math.h> int main(void) { float a =1, b = 2, c =1, delta, T1, T2; delta = (b * b) - (4 * a * c); T1= (-b + (sqrt( delta ))) / (2 * a); T2= (-b - (sqrt( delta ))) / (2 * a); if(delta == 0) { printf(" T1 = %f\n", T1); } else { printf("T1 = %f\n", T1); printf("T2 = %f\n", T2); } }