新信息题成为试题改革的一个新的亮点 ,此类试题目的是为了考查学生独立获取信息、加工信息的学习能力 .“新概念题”就是其中一类 .而解决此类问题的关键是仔细阅读、抓住信息、透彻理解 .下面举几例说明 .例 1　若对n个向量a1,a2 ,… ,an 存在n个不全为零的实数k1,k2 ,… ,kn The new information question has become a new bright spot in the reform of the examination questions. The examination questions are designed to examine students’ ability to independently acquire information and process information. “New concept questions” are one of them. The key to solving such problems is to read carefully. , grasp the information, thorough understanding. Here are a few examples. Example 1 If n vectors a1, a2, ..., an exist n are not all real numbers k1, k2, ..., kn