The function f ,defined by f(x) = (x-1)/(3-x) , has the same set as domain and as
range.
State the given statement is true or false, give reasons for your answer.
Not every polynomial that is irreducible over Q[x] is irreducible over Z[x] .
State the given statement is true or false, give reasons for your answer.
If ( R ,*1,*2) is a ring, then ψ : R × R → R :ψ(r1,r2) = r1 *2 r1 is a binary operation.
State the given statement is true or false, give reasons for your answer.