Examine continuity of function f(x) = e1/x-1 / e1/x+1 at x=0
Hi!
Here is the answer to your question.
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So, LHL at x = 0
Consider the right hand limit, RHL at x = 0

Since, LHL ¹ RHL at x = 0
Thus, f (x) is not continuous at x = 0
Cheers!
Examine continuity of function f(x) = e1/x-1 / e1/x+1 at x=0