‍<img src="https://static.zxtiku.com/wangke/imgs/topic/542434ef3043b6656746aa41dcbde588.png"/>与<img src="https://static.zxtiku.com/wangke/imgs/topic/7524d79c9efff7629956bae5f4c2ae46.png"/>都是<img src="https://static.zxtiku.com/wangke/imgs/topic/e220fff8c6c1635179dae21863dfd59b.png"/>的原函数