<p>已知函数<img src="https://learnfile.20230611.cn/learnAppQuestion/80/64/80640bb6b22db2a0bb0699a80cba8166.jpg" style="width: 100%;height: auto;">求<img src="https://learnfile.20230611.cn/learnAppQuestion/fa/25/fa2551e02ef393c4705a2ff12fa24c6c.jpg" style=