(C)
(D)
(E)(A)
(B)
(C)
(D)
(E)(A)
(B)
(C)
(D)
(E)28.(A)
(B)
(C)
(D)
(E)29.(A)
(B)
(C)
(D)−1 x < 1
−1 < x 1
x = 0
The power seriesdiverges
for no real x
if −2 < x 0
if x < −2 or x > 0
if −2 x < 0
if x ≠ −1
The series obtained by differentiating term by term the series converges for
1 x 3
1 x < 3
1 < x 3
0 x 4
0 < x < 4
The Taylor polynomial of order 3 at x = 0 for is The Taylor polynomial of order 3 at x = 1 for ex is