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(Change of Variables I) Let D be the region in the first quadrant between the hyperbolas xy = 4 and xy = 9, and between the l

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Area = S dedy ug. U=9 is i de de 2 v=1/4= 4 9 IXS 2 = llogul 오 P/a s te du (= 1/2 x5 [log luga OS X 99. ula log (axa) sor log

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