41 reputation
2
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location China
age
visits member for 1 year, 8 months
seen Jan 6 at 6:31

Apr
14
asked Mathematica cannot calculate a limit
Feb
5
awarded  Student
Feb
5
awarded  Editor
Feb
5
revised How can I calculate a limit with a free variable?
added 2 characters in body
Feb
5
asked How can I calculate a limit with a free variable?