已知向量
,
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7cf2bfa214ed5e85b9ca066c3a6116d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188e3d804aaedbfa0aa5ffbc2c8d19fa.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e5ba67828c57daf2edb497fb52e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfaf5a89fd40c2e9cd7c91fdf5b741bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
更新时间:2023-07-08 11:41:12
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【推荐1】设
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(1)若
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c849231c400a0e1aded93df984bd9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a125e85811b659d2df14ebbd0cde29a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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【推荐2】请回答下列问题.
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(1)已知平面向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd506a3ec56451e34eaf649102faf56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78354d6a7a73b5b6e5f211a6fddbda71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a73185d214e25f446d81c0f815f857f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知平面向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd18461fd9d77e6fa46a654f0ab540f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082c6926889f84f438ea35f70bf05f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d60b111d84e8d679e884578f76f5e25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
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您最近一年使用:0次
解答题-问答题
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较易
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【推荐1】已知向量
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b821a889623ac467c40df8af7bb7305f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8385933444792b0cdce861baee41f4.png)
(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b91254db5ff748150f449c5cdd256c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7d27c16d45cf7fad805249085623d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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解答题-问答题
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较易
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【推荐2】已知平面向量
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c0ec3eaee976349d92b6650ddb2958a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac408a5d33731ec9026a0a0e21d071f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40ec4fce3f01ef4d8399ea1d7dfb105.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/416798d5ea23732d5b49ef277dcb6f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61dcff52a92851d489523389cd3c12a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097cb7cfbd06a4a588be16299275565c.png)
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