<p>曲线<img src="https://file.gaojiufeng.cn/learnAppQuestion/03/9c/039c893fd6f1c7c1e471eaf762111f36.jpg" style="width: 100%;height: auto;">在点<img src="https://file.gaojiufeng.cn/learnAppQuestion/86/31/863129d64eae9bdd746575973e9668da.jpg" style="width: 100%;height: auto;">处的切线方程是（）.</p>