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**corgonin** I need help with various calculus review problems. that would be great if you could.

E) What are the first four terms of the MacClaurin series of $\displaystyle f(x) = \frac {1}{1 = 2x}$? What is its interval of convergence?

E1) What are the first four terms of the MacClaurin series of $\displaystyle f(x) = \frac {1}{1 = 2x}^2$? What is its interval of convergence?

E2) What are the first four terms of the MacClaurin series of $\displaystyle ln(1 + 2x)$? What is its interval of convergence?