My Math Forum Triple Integral

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 April 2nd, 2015, 09:39 AM #1 Newbie   Joined: Apr 2015 From: South Carolina Posts: 2 Thanks: 0 Triple Integral My question isn't how to solve the triple integral, it's how to properly set it up so that it can be solved. Here is the original question: Triple Integral E (6xy) dV where E lies under the plane z = 1+x+y and above the region in the xy-plane bounded by the curves y = sqrt(x), y = 0 and x = 1. I understand how to get: 0
 April 2nd, 2015, 01:04 PM #2 Global Moderator   Joined: May 2007 Posts: 6,527 Thanks: 588 By inspecting the limits. z range depends on x and y, so it has to be done first. Similarly y range depends on x, so it has to be done next. Thanks from szz and pebblepigs
 April 2nd, 2015, 01:25 PM #3 Newbie   Joined: Apr 2015 From: South Carolina Posts: 2 Thanks: 0 Oh, ok. Thanks for the simple explanation!
 April 2nd, 2015, 09:10 PM #4 Senior Member     Joined: Sep 2007 From: USA Posts: 349 Thanks: 67 Math Focus: Calculus The order of integration can be changed, but care must be taken with the limits of integration. You would need to examine the region and adjust the limits accordingly.

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