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Find the first four nonzero terms of the Maclaurin expansion for f(x) = (1 + x)7x. (Express numbers in exact form. Use symbolic notation and fractions where needed.) f (x) ~Use the Comparison Test for Convergence or Divergence to determine whether the series 22:1 ak converges or diverges by comparing it with 22:1 (%)k' Choose the series 21:1 ak to whhich the Comparison Test for Convergence or Divergence with 2:11 (if can be applied. 2221 "k , diverges on k 2k=1 7k , converges on 5" 2k=1 7L2 , converges zoo 5" k2] 7+2 , converges co 5kk - 2k=1 7k ,diverges co 5" - 2k=1 7L2, dlverges 5k on k 2k=1 7k , converges co 5" - 2k=1 7k+2, dlverges Incorrect