Is there a specific mathematical term, which refers to this expression?
A * B
A - B
not that i know of …
where did you come across this?
It can be expressed as the reciprocal of (1/B)-(1/A).
It's the form of an expression for the "room constant", a measurement in acoustics:
S is total surface area of a room, A is total absorption of a room in sabins.
Nice one. Thanks.
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