a. Find the first four nonzero terms of the Maclaurin series for the given function. b. Write the power series using summation notation. c. Determine the interval of convergence of the series. f(x) = log 5 (1 +7x) a. The first nonzero term is The second nonzero term is The third nonzero term is The fourth nonzero term is b. Write the power series using summation notation. Choose the correct answer below. Ο Α.Σ B. O C. k=1 M8 M8 Σ k=1 (-1)k+17k k! In 5 (-1)kk -xk k In 5 k=1 十个 8 OD. Σ k=1 (−1)kyk+1 k! In 5 -xk+ 1 (−1)k+17k k In 5 +4

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