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**1. Homework Statement**

lim as x goes to 1 from the right of 2^1/x-1=inf

**2. Homework Equations**

solve using delta-epsilon

**3. The Attempt at a Solution**

i am not sure how to prove an infinite limit, I have a defn that states, If for epsilon>0 there exists an M>0 such that x>M implies |f(x)-L|< epsilon. My main problem is that I am not sure how to do it, and how to get the power of two out of the way