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等比数列{an}中,a1=2,a8=4,函数f(x)=x(x-a1)(x-a2)...
等比数列{an}中,a1=2,a8=4,函数f(x)=x(x-a1)(x-a2)…(x-a8),则f′(0)=( )
A.26
B.29
C.212
D.215
考点分析:
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