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Topic	Board 8 math people, got a question for you (calc 2)
Anagram 10/16/17 9:23:10 PM #10:	The original question is 7a in this sheet: I know you obtain the answer by Integral from a to b of 2pif(x)(rad(1+(dy/dx)^2)dx. dy/dx is just the derivative of the original function, which is -2x, which becomes rad(1+4x^2). --- Not changing this sig until I decide to change this sig. Started: July 6, 2005 <cite>Anagram posted [p:888569016] in Board 8 ma... [t:75886889]...</cite> <quote>The original question is 7a in this sheet: I know you obtain the answer by Integral from a to b of 2pif(x)(rad(1+(dy/dx)^2)dx. dy/dx is just the derivative of the original function, which is -2x, which becomes rad(1+4x^2). --- Not changing this sig until I decide to change this sig. Started: July 6, 2005</quote> ... Copied to Clipboard!
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