SIMBA

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Can anyone please help me out with the following integration

 


                      f(x) = tanh(x)/sqrt(x^2+1)

 

limits x_initial =1, x_final =100

 

Thanks

 

Dear All, 

 

I am trying to solve the following differential equation, which is a kind of Spherical Harmonics. Can anyone please help me out how to solve this?

((D@@2)(y))(r)+(D(y))(r)/r-sin(y(r))*cos(y(r))/r^2+sin(y(r))^2/r-sin(y(r))-sin(2*y(r)) = 0

 

Thanks 

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