Science:Math Exam Resources/Courses/MATH101/April 2008/Question 01 (g)
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Question 01 (g) 

Let
Find f'(x). 
Make sure you understand the problem fully: What is the question asking you to do? Are there specific conditions or constraints that you should take note of? How will you know if your answer is correct from your work only? Can you rephrase the question in your own words in a way that makes sense to you? 
If you are stuck, check the hints below. Read the first one and consider it for a while. Does it give you a new idea on how to approach the problem? If so, try it! If after a while you are still stuck, go for the next hint. 
Hint 1 

Review the Fundamental Theorem of Calculus I. 
Hint 2 

Break up the integral into two integrals using the point 0. Then use chain rule on one integral and flip the other. 
Checking a solution serves two purposes: helping you if, after having used all the hints, you still are stuck on the problem; or if you have solved the problem and would like to check your work.

Solution 

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Please rate my easiness! It's quick and helps everyone guide their studies. Following the hint, we have
Now, taking derivatives by the Fundamental Theorem of Calculus I and using the chain rule on the second integral, we have
and this completes the question. 