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Evaluate the limit, if it exists. (If it does not exist, enter NONE).



Evaluate the limit, if it exists. (If it does not exist, enter NONE).

Evaluate the limit, if it exists. (If it does not exist, enter NONE).


Consider the following limit.
(a) Find the number a such that the limit exists.
a = 1

(b) Find the value of the limit.
2