摘要: 第零章 积分 变上限积分:设积分形式为\(\boxed{I(x)=\int_{v(x)}^{u(x)}f(t,x)\text{d}t}\),则对\(I(x)\)求导得: \[\boxed{\frac{\text{d}I}{\text{d}x} = f(v(x), x) \cdot v'(x) - f 阅读全文
posted @ 2025-05-26 10:07 Kirina_Official 阅读(102) 评论(0) 推荐(0)