VectorsVectors (id: 91b300bfd)

本题目来源于试卷: VectorsVectors，类别为 IB数学

[填空题]
The following diagram sho2ujn ww8y g0p4 bdzvr9(w /mv4wl)n *i2s srd-(u mtdz2s the parallelogram ABCD.

Let E denote the midpoint of [B D], $\mathbf{p}=\overrightarrow{\mathrm{BA}} $ and $ \mathbf{q}=\overrightarrow{\mathrm{BC}} $. Find each of the following vectors in terms of $\mathbf{p}$ and $\mathbf{q}$ .
1. $\overrightarrow{\mathrm{AC}}$ ;   
2. $\overrightarrow{\mathrm{BE}}$ ;   
3. $\overrightarrow{\mathrm{AE}}$ .   



[/B D]

参考答案:
空格1: q-p  空格2: 1/2*(p+q)  空格3: 1/2*(-p+q) 


本题详细解析:

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