how do i tell if the following equations define a binary operation on Z?
a) m*n=(m+n)/2
b) m*n=mn^2
c) m*n=2^(mn)
d) m*n=sqrt(mn)
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how do i tell if the following equations define a binary operation on Z?
a) m*n=(m+n)/2
b) m*n=mn^2
c) m*n=2^(mn)
d) m*n=sqrt(mn)
Which of these produces integers?Quote:
Originally Posted by mandy123