How do you integrate -LSB- math -RSB- \ displaystyle \ int \ sqrt -LCB- 1 + x ^ 2 -RCB- dx -LSB- / math -RSB- ?
How do you integrate -LSB- math -RSB- \ sqrt -LCB- a ^ 2-x ^ 2 -RCB- -LSB- / math -RSB- with respect to -LSB- math -RSB- x -LSB- / math -RSB- ?