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OpenStudy (anonymous):
Find the length of the curve given by r(t)=sqrt(2)/2ti+e^(t/2)j+e^(-t/2)z where -1<=t<=5.
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OpenStudy (anonymous):
can someone help me
OpenStudy (anonymous):
This looks like a case of arc length to me. In that case take the integral of the square root of the squares of each component added together. integral(sqrt(i^2+j^2+k^2) dt Just a thought. I am taking the same course right now.
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