Answers edited by Eric S.
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How do I integrate?
What is the arclength of
r=-2sin(theta/4+(7pi)/8)
on
theta in [(pi)/4,(7pi)/4]
?
How I solve this integral?
What is the arc length of the curve given by
r(t)= (1,t,t^2)
on
t in [0, 1]
?