Question

Someone knows how to integrate (x+sqrt(1-x²))dx?

Answer 1

hmm not sure if this is hyperbolic *which they really dont teach* but this method here works since sqrt(1+x2) is a identity or whatever it is
http://www.wolframalpha.com/input/?i=integrate+x+%2B+sqrt%281%2Bx^2%29

Answer 2

sqrt(x-x2) i meant

Answer 3

u might use trig sub like this\[x=\sin \theta\]or even\[x=\cos \theta\]