getroots.java

【问题描述】编写程序，从键盘输入三个系数a，b和c，计算的11.png解并输出。需要考虑各种情况，包括方程有虚根、方程有实根、方程是一元一次方程、没有根等。输出的所有浮点数值保留6位小数，输入输出格式如样例所示。 【样例输入1】1 3 2 【样例输出1】The equation has real roots, x1 = -1.000000, x2 = -2.000000 【样例输入2】1 2 3 【样例输出2】The equation has complex roots, x1 = -1.000000 + 1.414214i, x2 = -1.000000 - 1.414214i 【样例输入3】1 4 4 【样例输出3】The equation has real roots, x1 = -2.000000, x2 = -2.000000 【样例输入4】0 0 0 【样例输出4】There are infinite solutions. 【样例输入5】0 0 8 【样例输出5】The equation has no solution.