If -LSB- math -RSB- 1 \ circ4 = 5 -LSB- / math -RSB- and -LSB- math -RSB- 2 \ circ5 = 12 -LSB- / math -RSB- and -LSB- math -RSB- 3 \ circ6 = 21 -LSB- / math -RSB- then what is -LSB- math -RSB- 8 \ circ11 -LSB- / math -RSB- ? Fun ...
What is the relationship between music and math ?