C Currybear Member Joined May 16, 2012 Messages 192 Gender Male HSC 2013 Mar 31, 2013 #1 How do i integrate x(ln x)^2
Trebla Administrator Administrator Joined Feb 16, 2005 Messages 8,401 Gender Male HSC 2006 Mar 31, 2013 #2 Currybear said: How do i integrate x(ln x)^2 Click to expand... Multiple IBP and differentiate the log function on each occasion.
Currybear said: How do i integrate x(ln x)^2 Click to expand... Multiple IBP and differentiate the log function on each occasion.
C cineti970128 Member Joined Apr 25, 2012 Messages 139 Gender Male HSC 2014 Apr 1, 2013 #3 let g(x) = ln(x)^2 g'(x) = 2(ln(x))/x f(x)= x F(x) = 1/2x^2 integrating by parts Integral(xln(x)^2) = 1/2x^2 * ln(x)^2 - Integral (xln(x)^2) 2Integral(xln(x)^2) = 1/2x^2 * ln(x)^2 Integral(xln(x)^2) = 1/4x^2 *ln(x)^2
let g(x) = ln(x)^2 g'(x) = 2(ln(x))/x f(x)= x F(x) = 1/2x^2 integrating by parts Integral(xln(x)^2) = 1/2x^2 * ln(x)^2 - Integral (xln(x)^2) 2Integral(xln(x)^2) = 1/2x^2 * ln(x)^2 Integral(xln(x)^2) = 1/4x^2 *ln(x)^2