摘要:设数列满足.且.则 11 .
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设数列{xn}满足lnxn+1=1+lnxn,且x1+x2+x3+…+x10=10.则x21+x22+x23+…+x30的值为( )
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| A.11•e20 | B.11•e21 | C.10•e21 | D.10•e20 |
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| A.11•e20 | B.11•e21 | C.10•e21 | D.10•e20 |