1. Let . (a)  [10 points] Find the third-order Taylor polyno…

1. Let . (a)   Find the third-order Taylor polynomial  for about and use it to approximate . Hint: You don’t need to simplify your final answer.  (b) Assume that  is used in order to approximate on . Then,  find an upper bound for the remainder or error involved in part (a). (c) Use the Taylor polynomial in part (a) to approximate