- #1
kingwinner
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Q1: Let S be the region in the first quadrant bounded by the curves xy=1, xy=3, x2 - y2 = 1, and x2 - y2 = 4. Compute
∫∫(x2 + y2)dA.
S
(Hint: Let G(x,y)=(xy, x2 - y2). What is |det DG|?)
Solution:
http://www.geocities.com/asdfasdf23135/advcal19.JPG
I don't understand the third and fourth equalities in the solutions. Can someone kindly explain?
∫∫(x2 + y2)dA.
S
(Hint: Let G(x,y)=(xy, x2 - y2). What is |det DG|?)
Solution:
http://www.geocities.com/asdfasdf23135/advcal19.JPG
I don't understand the third and fourth equalities in the solutions. Can someone kindly explain?