SUPPOSE that g: A1--->A2 and f: A2--->A3. If B⊂ A3, show that
(g ∘ f )^-1 ( B)= g^-1(f^-1)(B))
Follow Math Help Forum on Facebook and Google+
I see that you have only two postings. So welcome.
You do understand that this is not a homework service?
So you need to either post some of your work on a problem or you need to explain what you do not understand about the question.
View Tag Cloud