Would you trust Meth users and/or are `` Meth users mean and selfish '' ?
What is the -LSB- math -RSB- n ^ -LCB- th -RCB- -LSB- / math -RSB- derivative of -LSB- math -RSB- -LRB- 1 + x ^ n -RRB- ^ n -LSB- / math -RSB- ?