volume of revolution

jeudi 1 mai 2014

Attachment 69282



Attachment 69283



Attachment 692841. The problem statement, all variables and given/known data



i have done the part a, for b , i use the key in the (circled part equation ) in to calculator .. my ans is also different form the ans given. is my concept correct by the way?



2. Relevant equations







3. The attempt at a solution




Attached Images













File Type: jpg DSC_0138~3[1].jpg (54.8 KB)
File Type: jpg DSC_0139~2[1].jpg (103.9 KB)
File Type: jpg DSC_0140~2.jpg (116.8 KB)







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