UsukiDoll
  • UsukiDoll
evaluate the double integral over the given region r xye^xy^2 0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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dan815
  • dan815
|dw:1377946660370:dw|
UsukiDoll
  • UsukiDoll
|dw:1377946684661:dw|
dan815
  • dan815
|dw:1377946694063:dw|

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More answers

UsukiDoll
  • UsukiDoll
alright so what I want to do is to gathe3r all the x's and y's into one area, take the antiderivative and integrate according to what they are assigned. yet...I got stuck on one portion
dan815
  • dan815
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dan815
  • dan815
lemme double check answwer
UsukiDoll
  • UsukiDoll
htf did you get it so fast?
dan815
  • dan815
|dw:1377946774118:dw|
dan815
  • dan815
yep its right
UsukiDoll
  • UsukiDoll
oh I see what you did there
dan815
  • dan815
|dw:1377946867361:dw|
dan815
  • dan815
yeah, the trick is to make sure u choose the right order of integration
dan815
  • dan815
in this case dy is the right choice because u know d/dy of xy^2 has derivative xy so just divide by 2 and integrate
dan815
  • dan815
2xy* so u divide by 2
UsukiDoll
  • UsukiDoll
so if I choose the wrong one, I'll be in circles
dan815
  • dan815
in this case its okay! i think u can still do it but then ud have to do integration by parts
dan815
  • dan815
but yes!! some times it gets really bad
UsukiDoll
  • UsukiDoll
I see it now. u = y^2 du = 2y dy and divide by 1/2
dan815
  • dan815
u=xy^2 u mean
dan815
  • dan815
do you want to know how most people who have some practice do these things?
dan815
  • dan815
we dont usually think about u substitution like that anymore,
dan815
  • dan815
if you see your professor doing it, you will notice they never right that stuff down
dan815
  • dan815
|dw:1377947218593:dw|
dan815
  • dan815
and give me medals! i need to be green

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