Algebra problem:Is the set Q a group under the binary multiplication operation?

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Algebra problem:Is the set Q a group under the binary multiplication operation?

2006-11-20 20:55:34 · 2 answers · asked by Lady 2 in Science & Mathematics ➔ Mathematics

2 answers

No, because 0 doesn't have an inverse.

2006-11-20 21:00:00 · answer #1 · answered by stephen m 4 · 3⤊ 1⤋

Yes,As in Q = A AND B, could eventualy true, if both has not zero Nor
Higher than 1, and has a same level of input Lv on a Freezer,
but not on Heater.
Or Q = not (A AND B),if clock > 50Hz <60 Hz on 38 DCelc.
............................
* Further device on query desk onboard those OthersWare.
if O ( Zero ) dBm/V your uptu/duwnto, den the above equations would have been applic to.

2006-11-21 05:05:00 · answer #2 · answered by Anonymous · 0⤊ 3⤋