Question

can some one explain integration to me i get the basics but some of the problems are blowing my mind

Answer 1

i get simple integration like x^2 would be (x^3)/3

Answer 2

but problems like ((x^2+x-1)/sqrt(x))dx really get me....

Answer 3

http://www.khanacademy.org/math/calculus/v/the-indefinite-integral-or-anti-derivative