Use a MultiSeries package.

I_Mariusz

Read this :http://www.mapleprimes.com/questions/200812-Error-in-Dsolvenumericbvp-Initial#

Only_5.mw

I_Mariusz

Numerically this integral can be calculated.


See atached file.Numeric.mw

I_Mariusz

f(2)=-pi/2 is a correct answer.See atached file.

Maybe You want f(x)=abs(arcsin(1-x)), then f(2)=Pi/2  ,f>0  ?

Answer.mw

I_Mariusz

Yours homework.

PDE.mw