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Do variables inside set-builder notation equal those outside it that are denoted by the same symbol? 27 messages
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how to make educated guess for comparison test for improper integrals 5 messages
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Prove: if (X,d) is a separable metric space and Y is a subset of X then (Y,d) is also a separable 5 messages
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kaprekars constant. why does it work? 5 messages
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Hoow do you prove the identity |cos(theta)| <= 1 ( from Linear Algebra ( Strang )) 13 messages
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what is a function? why is domain and range important when defining a function 30 messages
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where and how can i write this function 6 messages
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