題組內容
4. (10 points) Let f(x)= 1n(1 -x-2.x2).
(a) (5 points) Find the Taylor expansion for f about x = 0. (In the fomm
with a general formula for ak)
(a) (5 points) Find the Taylor expansion for f about x = 0. (In the fomm
with a general formula for ak)