Math 1312 Practice Exam 2 There will be 6 or 7 problems on the actual test. All of them will be similar to the problems shown here. (Note that in the given solutions, all work is not shown) 1) Find a formula for an,n 1. 1-49-1625 2 3'4 5 6 2) Find the exact sum of the series, if possible, 135m Determine if the following series converge or diverge. You need to clearly state which test you are using, and show all of your work. 3) c) 1(2n):(n-1) e) f) Σ-1co.nn) Σ-=Ãnti (use Divergence Test, lim-loso series diverges) 4) Determine whether the series is absolutely convergent, conditionally convergent, or divergent. 3n 5) Find an expression for the general term of the following series. Give the starting value for the index (x-2)2-2) 2))2)10 2 16 32 6) Use the ratio test to find the radius of convergence of the power series.
