Re: [考古] 98中興 微積分考古
可以看一下這種解法嗎
3yz^y-1 *z/*x =Y *z/*x + {x^z(lnx *z/*x + z/x)} + 4x^3
*z/*x = 5/2 答案一樣
但是 {} 裡面是怎樣偏微出來的
可以說明一下嗎
*z/*x = -fx/fz
2次偏微 可以用嗎?
^^
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