Science:Math Exam Resources/Courses/MATH101/April 2017/Question 02 (c) (ii)
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Question 02 (c) (ii) 

For each of the following series, choose the appropriate statement. (Write N, O, P, S, or T in each box; each answer will be used at most once, and each series matches a single answer only.) N: The series converges by the Ratio Test. O: The series converges absolutely by the Comparison Test with a pseries. P: The series converges by the Alternating Series Test. S: The series diverges. T: The series converges by the Integral Test. (ii) 
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 hint below. Consider it for a while. Does it give you a new idea on how to approach the problem? If so, try it! 
Hint 

Notice that each term, the exponents increase by one. Which test works best for exponential series? 
Checking a solution serves two purposes: helping you if, after having used the hint, 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. That the series contains exponents is a good indicator that ratio test should prove informative. In this context, the test states that this series converges if To show this, simplify the expression to
Now we need to simplify the fraction: This is less than one, so the answer is
