PROBLEM SOLVING - tempat bertanya PR Kaskuser (SD, SMP, SMA) - Part 2
http://latex.codecogs.com/gif.latex?\\u=2x+1\rightarrow&space;du=2dx&space;\\&space;\\\int&space;\sqrt{2x+1}dx=\int&space;\frac{1}{ 2}&space;\sqrt{u}du=\frac{1}{3}\sqrt{2x+1}+c&space;\\&space;\ ah~coba~integr...