（本题6分）已知：关于的方程．（1）求证：无论取什么实数，这个

（本题6分）已知：关于的方程．

（1）求证：无论取什么实数，这个方程总有两个不相等的实数根；

（2）若这个方程的两个实数根满足，求的值．

答案

（1）略；（2）0，

解析:略

相关题目

I was always complaining about wind or rain. 41 it was nothing unu

I was always complaining about wind or rain. 41 it was nothing unusual for the arrival of wind or rain, it caused inconvenience for me to go out, and sometimes it even created an awful

Soong Mei-ling was one of the most well-known Chinese women of the twentiet

Soong Mei-ling was one of the most well-known Chinese women of the twentieth century. Mei-ling was born in Hainan in 1898, the youngest daughter of Charlie Soong. At the age of 8, she was s

Last summer we visited the West Lake, ______Hangzhou is famous in the world. A.

Last summer we visited the West Lake, ______Hangzhou is famous in the world. A. for which B. for that C. in which D. what

若的和仍是一个单项式，则+ .

某夫妇妻子色盲，丈夫表现型正常，生下一性染色体组成为XX

某夫妇妻子色盲，丈夫表现型正常，生下一性染色体组成为XXY的色肓孩子，出现这种现象的原因可能是 A.女方减数第一次分裂异常或减数第二次分裂异

阅读下面的文字，按要求作文（50分）一段时间以来，“中

阅读下面的文字，按要求作文（50分）一段时间以来，“中学生有三怕，奥数、英文、周树人”成了校园流行语。实际情况是，有些同学有这“三怕”

2005年是联合国成立60周年。9月14日至16日，世界各国首脑会聚

2005年是联合国成立60周年。9月14日至16日，世界各国首脑会聚纽约东河之滨的联合国总部，回顾联合国的发展历程，共商联合国的改革大计。 60年来，国

The school _____ a 20-classroom building which was put up last year lies near th

The school _____ a 20-classroom building which was put up last year lies near the town. A. hasB. where C. with D. in which

（本题6分）已知：关于的方程．（1）求证：无论取什么实数，这个

答案

相关题目

最新题目