問題詳情
19. Let f ( x ) be a function defined by 
Let p( x ) = a0 + a1 x + a2x2+ … + anxn+ … be the Maclaurin series of f ( x ).
Which of the following items is the value of a3 ?
(A) –1
(B) 0
(C) 
(D) 
(E)1
參考答案
無參考答案
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