What is the indefinite integral for -LSB- math -RSB- \ frac -LCB- 1 -RCB- -LCB- x \ ln -LRB- x +2 -RRB- -RCB- -LSB- / math -RSB- ?
What is the derivative of : -LSB- math -RSB- \ displaystyle \ sqrt -LSB- 3 -RSB- -LCB- \ frac -LCB- 4x ^ -LCB- x-x ^ 2 -RCB- -RCB- -LCB- 1-2 \ ln x -RCB- -RCB- -LSB- / math -RSB- ?