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Consider the function ellz - 1 f(x) = a) Write the first 3 non zero terms of the MacLaurin series for the function. b) Use part a) to write the first 3 non zero terms of the MacLaurin series for o(z) = dx, 9(0) = 0 Compute the 9th derivative of f(z) = arctan at a = 0. f (9) (0) - Hint: Use the MacLaurin series for f(x). Previous Problem Problem List Next Problem Find the degree 3 Taylor polynomial T3(z) of function f(z) = (72 -26) 5/4 at a = 6. T3( z) =