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平面向量数量积的意义

> 若非零向量、满足｜一｜＝｜｜，则下面说法恒成立的有 ①向量、的夹角恒为锐角 ② ＞ ③｜2 ｜＞｜一2 ｜ ④｜2 ｜＜｜2 一｜ A．1个 B．2个 C．3个 D．4个

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发布时间：2024-09-07

若非零向量、满足｜一｜＝｜｜，则下面说法恒成立的有
①向量、的夹角恒为锐角 ② ＞
③｜2 ｜＞｜一2 ｜ ④｜2 ｜＜｜2 一｜

A．1个 B．2个 C．3个 D．4个

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若非零 向量 、 满足｜ 一 ｜＝｜ ｜，则下面说法恒成立的有 ①向量 、 的夹角恒为锐角 ② ＞ ③｜2 ｜＞｜ 一2 ｜ ④｜2 ｜＜｜2 一 ｜ A．1个 B．2个 C．3个 D．4个

可能感兴趣的题目：

若非零向量、满足｜一｜＝｜｜，则下面说法恒成立的有
①向量、的夹角恒为锐角 ② ＞
③｜2 ｜＞｜一2 ｜ ④｜2 ｜＜｜2 一｜

A．1个 B．2个 C．3个 D．4个