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agentx5
Group Title
Find the error in my steps?
Q: x = 4 + te\(^t\), y = (t\(^2\) + 1)e\(^t\), 0 ≤ t ≤ 3
Set up an integral that represents the area of the surface obtained by rotating the given curve about the Xaxis.
Now to post my work...
 2 years ago
 2 years ago
agentx5 Group Title
Find the error in my steps? Q: x = 4 + te\(^t\), y = (t\(^2\) + 1)e\(^t\), 0 ≤ t ≤ 3 Set up an integral that represents the area of the surface obtained by rotating the given curve about the Xaxis. Now to post my work...
 2 years ago
 2 years ago

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mahmit2012 Group TitleBest ResponseYou've already chosen the best response.3
dw:1342035220350:dw
 2 years ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.3
I solved it before so look at that my answer was right in there.
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.0
Ack... Let me see where that line is and what I subsituted
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.0
Wait what? No that's not incorrect what I wrote @mahmit2012 , I just divided both sides by dt before I made the subsitution
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.0
I replaced \(\large\frac{dx}{dt}\) with te\(^t\)
 2 years ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.3
dw:1342035678669:dw
 2 years ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.3
dw:1342035759311:dw
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.0
Ah the definite integral gives the correct value I need now! Well done!
 2 years ago

agentx5 Group TitleBest ResponseYou've already chosen the best response.0
I was missing a term I seems
 2 years ago
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