<p>设函数<img src="https://learnfile.20230611.cn/learnAppQuestion/f8/98/f898ec414b907592de8e98db5eb9e350.jpg" style="width: 100%;height: auto;">求<img src="https://learnfile.20230611.cn/learnAppQuestion/1c/a9/1ca9cfd068f6dc64b94bb054f3aaef12.jpg" style="