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The limit is 6.
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To evaluate the limit
we first substitute
:
This results in an indeterminate form, so we need to simplify the expression. We can start by rationalizing the denominator. The expression can be rewritten as:
Now, we multiply and simplify:
The denominator simplifies as follows:
Thus, our expression simplifies to:
Since
is in both the numerator and the denominator, we can cancel it, where
:
Now, substituting
into the simplified expression gives:
Thus, the limit is