Find the limit as x approaches 1.
Plug in 1 into x.
This come out to being indeterminate or 0/0.
So taking the rule:
Step 3) Final Answer is 2.
Anyhow, I see the pattern of how the answer came about, but I don't understand the reasoning behind it. Well, I understand differintiation part. However. where did the fraction inside of the fraction come from in Step 2? Why did the square root in Step 2 get moved to the numerator in the final answer?