Brain Teaser  Area enclosed by a parabola and a line

09152015, 05:08 PM
(This post was last modified: 09152015 05:10 PM by Gerson W. Barbosa.)
Post: #20




RE: Brain Teaser  Area enclosed by a parabola and a line
(09152015 05:00 PM)fhub Wrote:(09152015 04:18 PM)Gerson W. Barbosa Wrote: I think I can blame it on my Simpson 3/8 integrator in Pascal (too many iterations required!). Your result is indeed a minimum, as checked in WA:I don't think that you can solve any intermediate steps approximately, at least I have done the complete calculation with exact terms, only the last equation A'(u)=0 has to be done approximately of course. And these intermediate expressions (left intersection point, the formula for A(u) after the definite integration) are really HUGE! Wolfram Alpha would not allow me to copy and past the very expression for the left integration limit (unless of course I subscribed to their service), so I didn't even try. I am not familiar with the Prime, but I think it can handle that, can't it? Gerson. 

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