解下列方程
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9cc54b8548f214afe638a658259289.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b8a583cc930d395e12a3d73e60fe47.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2916d8f771479d4850e3c88f018079.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9cc54b8548f214afe638a658259289.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b8a583cc930d395e12a3d73e60fe47.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2916d8f771479d4850e3c88f018079.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1fc2b32ea98daac5971f3218f11dc98.png)
更新时间:2022-10-17 08:15:19
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相似题推荐
解答题-计算题
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适中
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名校
【推荐1】用适当的方法解下列方程:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf4812f6aa9989cf1752a0a77e1c6d8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27215af7c4f7316c17b8fb3ceede2e6a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d9db284f56ed1260e700830e7e9205b.png)
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解答题-证明题
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解题方法
【推荐2】阅读下列材料:我们可以通过以下方法求代数式
的最小值.
,且
,
当
时,
有最小值
.
请根据上述方法,解答下列问题:
(1)若
,则
的值是______________;
(2)求证:无论
取何值,二次根式
都有意义;
(3)若代数式
的最小值为2,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b47e38a004e31f2edd4540c779a000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a6b4a4c156cb26d58c6581d13aaf77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5667a4d6908fb8c31018fdb575e3f697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0d10ef8b748d4531250c37c5d3f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba53065eb180a682305fddb95d14b62f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b47e38a004e31f2edd4540c779a000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
请根据上述方法,解答下列问题:
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107cc7314a53c0edbec60df55a6da927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
(2)求证:无论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e3a476061d303aa158bd014c942c55e.png)
(3)若代数式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de321713fe3a728e47a08a7a41f195b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解答题-问答题
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名校
【推荐2】关于
的方程
有两个不等实根,且
为正整数,求
的值及此时方程的根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b73ac45904a43b6d7695876fe0972df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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