Help me , someone is misusing my photos on Instagram with my fake-id , how can I stop that person ?
How do you prove that -LSB- math -RSB- n ! \ le \ left -LRB- \ frac -LCB- n +1 -RCB- -LCB- 2 -RCB- \ right -RRB- ^ n -LSB- / math -RSB- , for all -LSB- math -RSB- n \ in \ N -LSB- / math -RSB- ?