I gave up working on it
Wolfram gave me this
http://integrals.wolfram.com/index.jsp?expr=%28x%5E2%29%2Fsqrt%28x%5E2%2B25%29&random=false
find intergral (x^2)/sqrt(x^2+25)
2 answers
Go on: wolframalpha dot com
When page be open in rectangle type:
inegrate (x^2)/sqrt(x^2+25)
and click option =
After few seconds when you see result click option:
Show steps
When page be open in rectangle type:
inegrate (x^2)/sqrt(x^2+25)
and click option =
After few seconds when you see result click option:
Show steps