Notes in 02换元法

To Subscribe, use this Key

Status	Last Update	Fields
Published	10/05/2024	第二类换元法描述,常用的变量代换有设函数 \(x=\varphi(t)\) 单调可导, 且 \(\varphi^{\prime}(t) \neq 0\), 又设 \(\displaystyle\int f(\varphi(t)) \varphi^{\prime}(t) \mathrm{d} t=F(…
Published	10/05/2024	三角换元法表格根式的形式 所做替换 三角形示意图(x>0) \(\sqrt{a^{2}-x^{2}}\) \(x=\)____,\(-\frac{\pi}{2} \leqslant t \leqslant \frac{\pi}{2}\) ___…
Status	Last Update	Fields