1 . 请先阅读:在等式
的两边求导,得:
,由求导法则,得:
,化简得等式:
.利用上述的想法,结合等式
(
,正整数
)
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f44575e99b254e9020220322fd9e38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d58da930710037f4f9bcdf470b1dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37dfc1f9b3e60251154b43ff81bd7e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c6916a2718dc37ba12504f07f49771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2997f155724b3f5c8810212bac014214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc9b7fa551545192e12b1371f34de05.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23bc1fb21889cf946d01c2e0c5f1f224.png)
您最近一年使用:0次
2 . 在计算
时,如果注意到
,
就可以得到![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a60f3178afe418d6c3eee550de86ca19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527294f0699719963fd46382e1de3832.png)
.
在计算
时,
如果注意到
,
就可以得到![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc59fd9083a6a12065a8406773ae5d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e137216db9691f02d1b8cc126404c54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725767499f75dccef78ed369e22d18cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da2bcf9735e95aa5991fe77e370bb10d.png)
.
通过阅读以上材料,请你计算![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beef3d0e70d7a81b2b84df8979ffc189.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d320f467ae82722d27ae3f24569a7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99f7f315227b388e8dd8ab6c7f6e832.png)
就可以得到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a60f3178afe418d6c3eee550de86ca19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527294f0699719963fd46382e1de3832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553a818cb567f3a901d4275d6df94008.png)
在计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc59fd9083a6a12065a8406773ae5d6.png)
如果注意到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae80a48295bb42976d9c4052506430a.png)
就可以得到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc59fd9083a6a12065a8406773ae5d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e137216db9691f02d1b8cc126404c54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725767499f75dccef78ed369e22d18cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da2bcf9735e95aa5991fe77e370bb10d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae15e77d9ca98705624d725dfd11557.png)
通过阅读以上材料,请你计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beef3d0e70d7a81b2b84df8979ffc189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d72c3e3b341f394af0de29c575e35621.png)
您最近一年使用:0次