integrate xSquareroot(x^2+2x+4) dx
Complete the square: x^2+ 2x+ 4= x^2+ 2x+ 1+ 3= (x+1)^2+ 3. First let u= x+1, then use a trig substitution.
This is the third question you have asked with any indication of what you have tried yourself. If you do not show your own work, I will not respond to any more questions.