Question

Consider the relation R on Q defined by
R={(a,b):a,b€Q,a-b€Z}
is (2,1/2 ) €R ?
show that (a,a)€R for all a€Q?
Show that (a,b)€R implies that (b,a)€R for all a,b €Q?

Answer 1

_++_74736$-_+&7(&8&$524#4#4#&$6_7&8&9-)-(&+_6353536_7&8;9;9+9-9-8:8:&+'-"-*&*&&*&#4#4√%√%π¥π®=^÷¥÷¥÷^×°¶°

Answer 2

Answer:

1)yes

2)hagavshsi n

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