4) Consider the function 90:) = (1 + 30-5. Answer the following questions based on this function. (a) [4 pts] Find the Maclaurin's series for the above function with first four nonzero terms clearly written and simplified. Find the interval of convergence. 6 (b) [4 pts] Approximate (1 +) using the first four nonzero terms of the Maclaurin's series for 90c). Calculate the absolute error assuming the calculator gives an exact