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[" (ii) "f:R rarr R" defined by "f(x)=1+...

[" (ii) "f:R rarr R" defined by "f(x)=1+x^(2)],[" 8.Let "A" and "B" be sets.Show that "f:A times B rarr B times A" such that "f(a,b)=(b,a)" is "],[" bijective function."]

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