May 9th, 2009, 11:34 PM  #1 
Newbie Joined: Feb 2009 Posts: 18 Thanks: 0  Surface Integral
Evaluate the surface integral ??x^2+y^2 dS where ? is that portion of the plane z=4x+20 cut by the cylinder x^2+y^2=9 ? What I got is (81pi.sqaure root of 17)/2.Is that correct? 
May 10th, 2009, 04:21 AM  #2 
Senior Member Joined: Dec 2008 Posts: 251 Thanks: 0  Re: Surface Integral
Looks correct.


Tags 
integral, surface 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
surface integral  kriko  Calculus  1  August 21st, 2010 10:55 AM 
Surface  mia6  Calculus  3  February 15th, 2010 06:54 PM 
Area of a surface  renatus  Calculus  1  May 23rd, 2009 07:33 AM 
Surface Integral Question...  TTB3  Real Analysis  1  April 22nd, 2009 05:28 PM 
[SOLVED] Stokes' Theorem ( Surface Integral )  calcperson  Calculus  0  January 20th, 2009 04:55 PM 