Science:Math Exam Resources/Courses/MATH101/April 2012/Question 01 (g)/Solution 1
< Science:Math Exam Resources | Courses/MATH101 | April 2012 | Question 01 (g)(Redirected from Science:Math Exam Resources/Courses/MATH101/April 2012/Question 1 (g)/Solution 1)
Notice that occurs in the summand. This suggests that and so we can take . Writing the sum as
the last fraction suggests that a possible function is which can be seen by noting that we have
Also, we have
and since we have that . Combining this gives
completing the question.