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解析 【解析】 $$ \int \sin 2 x d x = - \frac { 1 } { 2 } \cos 2 x + C . $$ 结果一 题目 【题目】求∫sin2xdx 答案 【解析】分析显然该积分不能用直接积分法求出.但基本积分公式中有 ∫sinxdx=-cosx+C比较∫sinxdx 和∫sin2xdx ,我们发现只是sn2x中,x的系数多了一个常数因子2,...
【解析】 $$ \left[ \frac{x^{2}+1}{x^{4}+1}dx $$(裂项也可以,但麻烦些!) $$ = \left[ \frac{1+ \frac{1}{x^{2}}}{x^{2}+ \frac{1}{x^{2}}}dx $$》$$ (x- \frac{1}{x})^{1}=1+ \frac{1}{x^{2}} $$ &) $$ = \int \frac{d(x- \frac...
1.∫e−ax2dx(a≠0)1.\int_{}^{}e^{-ax^{2}}dx(a\ne0) 2.∫sinxxdx2.\int_{}^{}\frac{sinx}{x}dx 3.∫cosxxdx3.\int_{}^{}\frac{cosx}{x}dx 4.∫sin(x2)dx4.\int_{}^{}sin(x^{2})dx 5.∫cos(x2)dx5.\int_{}^{}cos(x^{2})dx 6.∫exxdx6.\int_{}^{}\...
Evaluate:∫xsin2xcos2xdx View Solution Evaluate:∫xsin2xsin3xdx View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium NCERT Solutions for Class 10 English Medium ...
∫x3cosx2dx= View Solution ∫xe2xdx=? View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium NCERT Solutions for Class 10 English Medium NCERT Solutions for Class 9 English Medium ...
积分\( \int x^2 dx \) 的结果是?搜索 题目 积分\( \int x^2 dx \) 的结果是? 答案 A 解析 null 本题来源 题目:积分 \( \int x^2 dx \) 的结果是? 来源: 建模数学试题及答案 收藏 反馈 分享
1.不定积分:$$ \int \frac { d x } { x ^ { 2 } \sqrt { x } } = $$ 答案 $$解 \\ = \int \frac{dx}{x^{\frac{5}{2}}} \\ =(x^{- \frac{5}{2}}dx \\ =- \frac{2}{3}x^{- \frac{3}{2}}+c $$相关
Answer to: Evaluate d dx int x2 x4 sqrt t dt By signing up, you'll get thousands of step-by-step solutions to your homework questions. You can also...