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∫sin3xcos5xdx View Solution ∫sec3/4xcosec5/4xdx View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths DC Pandey Solutions for Physics HC Verma Solutions for Physics Sunil Batra Solutions for Physics Pradeep ...
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,...
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 the integral by reversing the order of integration I = \int \int e^{x^2} dx dy. By signing up, you'll get thousands of...
View Solution यदि फलन f (x) आवर्त का सतत फलन है , तो समाकलनI=∫a+Taf(x)dxका मान है View Solution limx→0 x|x|+x2 View Solution ...
∫3x−2(x+1)2(x+3)dx View Solution ∫1sin3xcos5xdx View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths DC Pandey Solutions for Physics HC Verma Solutions for Physics ...
【解析】 $$ \left[ \frac{x^{2}+1}{x^{4}+1}dx $$(裂项也可以,但麻烦些!) $$ = \left[ \frac{1+ \frac{1}{x^{2}}}{x^{2}+ \frac{1}{x^{2}}}dx $$》$$ (x- \frac{1}{x})^{1}=1+ \frac{1}{x^{2}} $$ &) $$ = \int \frac{d(x- \frac...
{ x } $$dx等于 (B) A. -2ln2 B. 21n2 C. -1n2 D. 1n2[解析] 因为$$ ( 2 \ln x ) ^ { \prime } = \frac { 2 } { x } , $$所以$$ \int _ { 2 } ^ { 4 } \frac { 2 } { x } d x = 2 \ln x | _ { 2 } ^ { 4 } = 2 \ln 4 - ...
Answer to: Integrate : \int \frac{dx}{\sqrt{x^{2}-1}} By signing up, you'll get thousands of step-by-step solutions to your homework questions. You...