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integration(area and volume)

Theres a question ive been working through which is as following:

2222.png

for part i , i worked out that the area was 10/3 units ^2

for part ii , i worked out that the volume of revolution was 56/5 pie

i was just wondering if i had done it correctly because im unsure of my answers :s-smilie:, sorry to be asking so much questions but i have my resit tommorow and need to be sure :P
Original post by santeria14
Theres a question ive been working through which is as following:

2222.png

for part i , i worked out that the area was 10/3 units ^2

for part ii , i worked out that the volume of revolution was 56/5 pie

i was just wondering if i had done it correctly because im unsure of my answers :s-smilie:, sorry to be asking so much questions but i have my resit tommorow and need to be sure :P


Your answers seem fine. All the best with your test :smile:
Remember that volume is in units ^3
(edited 10 years ago)
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santeria14
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Original post by Khallil
Your answers seem fine. All the best with your test :smile:
Remember that volume is in units3units^{3}


thanks!
much appreciated :smile:

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