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TopicBoard 8 math people, got a question for you (calc 2)
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10/16/17 9:31:59 PM
#18:


azuarc posted...
Anagram posted...
I know you obtain the answer by...(rad(1+(dy/dx)^2)dx.

No need for the arclength formula.

And why wouldn't I need the arclength formula? In all of my notes it's used for this kind of problem.
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