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The following integral was used to compute the area of a region D using the horizontal slicing 4 - ) - 3] du (a) Sketch and s
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I = | C-1) - Yº] 4 4 2 Xa - : and y X=4-y y = rex 2 yal 2 B o 2 y = 4 n D = Area of ABC shaded 3 2 Area = [ ((ren)-(1) datyaxis B -gris y = 2. va eld >1 [[:cu)) ?> (904)*].07 rex 1932 460 409)= 4-1 g <333 9 (1)= 1 sa (112002.0032 J.de+afu [640? (1

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