设数列满足 {an} 满足 a1=0 ,an+1 -2a n=1, 则 a 100 = ()【单选题】
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设数列满足 {an} 满足 a1=0 ,an+1 -2a n=1, 则 a 100 = ()
A. 2^99 -1
B. 2^99
C. 2^99 +1
D. 2^100 -1
E. 2^100+1
参考答案: